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アクロマ Achroma
Black 2 White 2 Colress.png
Artwork from Black 2 and White 2
Gender Male
Hometown Unknown
Region Unova
Trainer class Pokémon Trainer,
Team PlasmaB2W2
Generation V, VII
Games Black 2, White 2, Sun, Moon, Ultra Sun, and Ultra Moon
Member of Team Plasma
Rank BossB2W2
Scientist (anime)
Game animation debut Pokémon Black Version 2 and Pokémon White Version 2 Animated Trailer
English voice actor Sean Schemmel (B2W2AT)
Japanese voice actor Junichi Suwabe (B2W2AT)
Tokuyoshi Kawashima (Generations)
Anime debut Team Plasma's Pokémon Power Plot!
English voice actor Eli James
Japanese voice actor Hiroki Tōchi
201 Spoiler warning: this article may contain major plot or ending details. 201

Colress (Japanese: アクロマ Achroma) is a Pokémon researcher and the second boss of Team Plasma, appointed by Ghetsis. His goal is to discover the true way to draw out the strength of Pokémon.

In the games

In Black 2 and White 2

In Pokémon Black and White 2, Colress is first encountered in Castelia Sewers. He is met again at Castelia City, where he tells the player that he disagrees with the old Team Plasma's goals to liberate Pokémon from humans. The player re-encounters Colress on Route 4, where several Crustle block the path. Colress uses his machine to drive the Crustle away and challenges the player to a battle. Colress is once again seen as a participant in the Pokémon World Tournament, matched against the player in the final round of the tournament. He is later encountered on Route 22. Like usual, he talks to the player mostly about Team Plasma.

Later on, during the battle against the new Team Plasma on the Plasma Frigate while at the Giant Chasm, Colress is seen in a chamber, where he reveals that he joined Team Plasma to pursue and research the true strength of Pokémon. After he is defeated in battle, he allows access to Ghetsis's chamber, wanting to see if the player can stop him.

After the player enters the Hall of Fame, Colress continues to dwell in the Plasma Frigate; however, he and the other Team Plasma members have decided to put an end to their ambitions. Colress remains in the chamber when he first met the player on the Plasma Frigate; there, he can then battle the player and will give the player a Master Ball once defeated. He will then move to the stern of the Frigate, where he will battle the player once per day.

In X and Y

Colress is mentioned by a Backpacker found on Route 10 who says, "A few years back, this really strange dude named Colress told me that these big stones emit some kind of special energy."

In Sun and Moon

In Pokémon Sun and Moon, Colress appears on Route 8 and gives the player TM43. After becoming the first Alola Champion, Colress will give the player the Genesect Drives. He also participates as a Trainer in the Battle Tree.

When he is first met, he tells the player that he is still conducting his research into the true power of Pokémon, but following the events of Black 2 and White 2, he now believes that the source of a Pokémon's true power is its bond with its Trainer. He is in Alola researching the Z-Ring and if it can draw out the power of Pokémon more effectively than the Mega Ring. He also expresses interest in the Poké Pelago.

In Ultra Sun and Ultra Moon

In Pokémon Ultra Sun and Ultra Moon, Colress's role is slightly expanded, and he is revealed to be one of the people the Ultra Recon Squad reached out to to help with Necrozma. In response, Colress created the N-Solarizer and N-Lunarizer, based on his prior experience with Pokémon fusion. He gives the player both devices after witnessing them capture Necrozma on Mount Lanakila. The player can also visit him it the hotel room he's staying at in Tide Song Hotel before he is officially introduced.

Colress also has a role in the battle against Team Rainbow Rocket in Episode RR. While the player and Lillie work to defeat the bosses of Team Rainbow Rocket, Wicke contacts Colress to enlist his aid. He follows the player and Lillie using an invisibility device he invented, and returns the bosses to their original worlds as they are defeated. Though Archie and Maxie are seen being warped away, Colress does not reveal himself until the player defeats Ghetsis, who subsequently takes Lillie as a hostage. Recognizing that this Ghetsis is not the one he knows, he declares that he opposes this Ghetsis's goals simply because he hates Ghetsis in all cases, then dispatches him back to his own world with a prototype device known as the Colress Machine No. 1102 (Japanese: アクロママシーン 1102 Achroma Machine No. 1102). Colress allows the player and Lillie to move on and battle Giovanni to rescue Lusamine while he works to untangle the dimensions coming together to create Team Rocket's Castle. By the time the player defeats Giovanni, Colress manages to revert the castle back to being Lusamine's mansion.


Pokémon Black 2 and White 2

First battle

Second battle

Third battle

Post-game rematches

Pokémon Sun, Moon, Ultra Sun and Ultra Moon

Colress's Pokémon are kept in Ultra Balls.

Battle Tree

Colress uses three of these Pokémon in Single Battles, four in Double Battles, and two in Multi Battles.


Pokémon Black 2 and White 2

Castelia Sewers
"You there! That was an excellent demonstration of battling. The way you brought out the power of your Pokémon against an opponent like Team Plasma… Astounding. Simply astounding. Interesting as well. I see…"
Castelia City's Central Plaza
"Oh, it's you again! If it's not an inconvenience, may I have a look at your Pokémon?"
Yes: "I appreciate your cooperation!"
No: "Are you sure? But this is for science."
"Oh! How interesting! Your <lead Pokémon> seems to display more self-confidence than others of the same species. And you're a Trainer with merely three Badges… Fantastic! I'm not sure how you're doing it, but you're bringing out the power of your Pokémon!"
"Oh, excuse me! I am a scientist. My name is Colress. The theme of my research is: "Bringing out the power of Pokémon." Bringing out the power of Pokémon! Is it possible to bring out their maximum power through the bond they share with their Trainers? Or is there some other, different method? I'd like to test my theory by battling with you. Do you find this acceptable?"
Regardless of choice: "Either way, I'll be waiting on Route 4. It's just beyond here!"
Route 4
  • Before battle
"I've been waiting for you! What's the matter? Interested in what's behind me? These are not mere rocks, but the Pokémon known as Crustle. Observe. With this device I created to energize Pokémon, I'll…"
"Those Crustle… Were they just lying here, out of energy, with their boulders on their backs?"
"Team Plasma said we should recognize the potential in Pokémon and liberate them from humans. I disagree. Conversely, it should be humans who bring out the hidden potential in Pokémon!"
"Now that I think of it, I never asked your name. <player>… I'll remember that name. Well then, I will test you to see if you're a Trainer who can bring out the hidden potential of Pokémon!"
  • When defeated
"Splendid! You are quite the Trainer!"
  • After being defeated
"I see! Just like the Gym Leaders in each area or the Elite Four and Champion in the Pokémon League, you bring out the power in Pokémon by being kind to them! That's the kind of person you are. I'm extremely grateful for your help. This is a token of my gratitude."
"It's so frustrating! If only we could talk to Pokémon in order to bring out their power! But there's no way a person like that could ever exist! Well then, <player>, I hope to see you again sometime."
Pokémon World Tournament
  • Before battle
"As a researcher, it is the truth and the ideal way things should be that I seek. The latent power of Pokémon… What is the best way to bring it out? If possible, I want it to be the trust between Trainers and their Pokémon, just as it has always been. I look forward to you teaching me that this is indeed true!"
  • When defeated
"Well done! I learned much from this battle!"
  • If the player is defeated
"Remember our battle on Route 4? Please bring out more of your Pokémon's strength, like you did then!"
  • After being defeated
"Just as I expected! Your Pokémon must be happy to be by your side! You bring out the best in their power!"
  • After winning
"What is this?! Why don't you bring out more power from your Pokémon?!"
  • Inside the building
"By having battles with many Trainers, I can bring out Pokémon Abilities! Eventually, as I continue to battle, the truth of my theory will be evident to all!"
  • Outside the building
"Stop. There's no reason for you to stick your necks into something so dangerous!"
"I don't understand. That's not courage, it's recklessness! Does he think anything is possible simply because he has Pokémon with him? No, no… That's not possible. All Trainers and Pokémon are bound to one another by Poké Balls… Then maybe it is this bond that will allow Trainers to overcome the impossible if they trust their partner Pokémon."
  • When spoken to
"Trust... It's too much of an unknown factor. But if believing in your Pokémon gives you the courage to stand up to Team Plasma... And the courage to help your friends... Then follow them south to the dock!"
Route 22
"The one radiating such a tremendous presence before you is none other than Terrakion!"
"It's been a long time. Terrakion is one of the three Pokémon who protected Pokémon from the flames of a human conflict!"
"It seems likely that Terrakion has picked up the scent of danger that emanates from Team Plasma. It's probably seeking a Pokémon Trainer who has the strength to stand up to them."
"It's very interesting indeed that Terrakion appeared before you! That aside, do you plan to confront Team Plasma?"
Yes: "I see. If that's the case, you must have the power to protect your own Pokémon! Being protected by Pokémon alone doesn't make you a Trainer! It's because Trainers are strong, because they care about their Pokémon, that these Pokémon can also be strong!"
No: "I see! That works as well. You and your Pokémon can proceed down your own path! What you should do is care about your Pokémon to bring out their power to its fullest potential!"
"Here! This is from me!"
"This is a prototype of my device that energizes Pokémon! It doesn't work on battling Pokémon, but you may find it useful for something! Well then, I wish you and your Pokémon a safe journey!"
"Now that I think about it! In the Seaside Cave on Route 21, I saw something that reminded me of when we met on Route 4."
Plasma Frigate
  • Before battle
"Welcome! I was asked by an acquaintance to help with his research. What I desire is to bring out the entirety in Pokémon potential! If I can accomplish that, I don't care what it takes!"
"If it means the strength must be brought out by the interactions between Pokémon and Trainers, then so be it! If it means you have to use a merciless approach, like Team Plasma's, and force out all of the Pokémon's power, then so be it! And yes, if the entire world is destroyed as a result, then so be it..."
"That aside! The reason I have been traveling all over Unova and battling many Pokémon Trainers is because I was testing the viability of this approach to bringing out the full strength of Pokémon. In that respect, you've done an amazing job. Well now! Tell me if you have the answer I desire or not! If you're ready, come at me!"
  • If talked to again
"It looks like you're ready, then! OK! Let us begin!"
  • First non-KO HP loss
"Come on! More! Bring out your Pokémon's power!"
  • Sending out last Pokémon
"I'm more psyched than I've ever been! I can still go on!"
  • When defeated
"So this is what it means to draw forth the power hidden in your Pokémon!"
  • After being defeated
"So strong! You're a very strong Trainer indeed! So let me ask you this! Are you thinking of reaching even higher heights by understanding each other as Pokémon and Trainer?"
Yes: "I see... To me, that is an ideal answer. To think! That's what you actually believe! You bring out the power of your Pokémon with respect and love!"
No: "I see... Is that answer my truth? Even if that's your answer, don't give up! The reason you're so strong is that you treat your Pokémon with respect and love!"
"Excuse me for repeating myself, but if it will make Pokémon stronger, I don't care what it takes! If interacting with Pokémon can increase their powers only to a certain point, then their full strength must be brought out using a scientific approach. Even one without a conscience."
"But you have shown me the potential of your approach. To me, whether Team Plasma wins or whether you win will decide how the relationship between people and Pokémon should be! So where will this be settled? Step on the warp panel on the other side of the room where Kyurem is being held. Good luck in your battle!"
Plasma Frigate (post-game)
  • Before battle (first rematch)
"Could I say that you're curious for coming clear out here?"
"I dissolved Team Plasma. The ones who are left here are deciding what they want to do. I would like to have them decide on their own! There are far more questions in this world that don't have any answers! Well then... Please show me you and your Pokémon's strength once again!"
  • Upon first non-KO HP loss
"Come! Satisfy my urge to battle!"
  • Sending out last Pokémon
"Marvelous! I shall believe in my Pokémon!"
  • Last Pokémon at critical health
"If-if I'd believed more, could I have drawn out my Pokémon's power?"
  • When defeated
"The bonds between us... Does the fact that we can't see them make them even more real?"
  • After being defeated
"In Pokémon battles where you can't afford to make a mistake, the true nature of the Trainer's personality becomes clear. I see! If Trainers believe in their Pokémon to the fullest extreme, as you do, their Pokémon partners will also give everything they have! So that must be the answer I've been looking for. Still, I'm glad you won. For one thing, I detested Ghetsis from the start!"
"Take this with you! This Master Ball can catch any kind of Pokémon! Ghetsis was saving it, but you'll probably put it to better use! "
"If you'd like, please have a Pokémon battle with me again! Indeed, I'm having trouble deciding what to do next as well."
  • Before battle (second rematch onwards)
"Even the same Pokémon can exhibit different strengths depending on the Trainer! It's so interesting! Very, very interesting! Well now! Give me but a moment of your time!"
Yes: "The invisible force that exists between you and your Pokémon... This time I will determine what it is!"
No: "And I went to all the trouble to come here, too... You're an unkind person."
  • After being defeated
"The things you and your Pokémon have seen and felt... Do they belong to you and you alone? If you would, please have another Pokémon battle with me. By facing you, I feel as if I can see what I should do from now on."

Pokémon Sun, Moon, Ultra Sun and Ultra Moon

Route 8
  • First encounter
"You there!"
"Oh, excuse me! I am a scientist. My name is Colress. The theme of my research is: "Bringing out the potential of Pokémon." What brings out the power of Pokémon is..."
"I believe that is—the bond they share with their Trainers!"
"And thus my attention is drawn to Trainers like yourself... Trainers bound to their Pokémon through the power of the Z-Ring!"
"Now that I think of it, I never asked your name. ..."
"<player>, is it? I'll remember your name. To commemorate our encounter, let me give you a TM."
"If you're able to utilize Flame Charge fully, you'll be able to have a great battle with the totem in the next trial...the trial in Lush Jungle."
"Z-Power... Is it the true potential that I seek? Does it surpass the Mega Ring? Apparently, there are uninhabited islands for Pokémon called Poké Pelago here in Alola. Alola is fascinating! I believe that I will stay in Alola for some time!"
"Well then, <player>, I hope to see you again sometime." SM
"Well then, <player>. I hope you will excuse me. I've had quite the curious request made to me by a couple of most oddly dressed strangers." USUM
Mount Lanakila USUM
"It's been a while, <player>. You must be a formidable Trainer indeed if you are able to get Necrozma as one of your allies."
"Good! And this is from me! The Ultra Recon Squad asked me to develop a device that would be able to control Necrozma. But I improved it to my own liking! And now it is a device that makes it possible to draw out even more power from Necrozma!"
"Yes, in short, it makes it possible for Necrozma to fuse with the Legendary Pokémon Solgaleo! This is the Colress Machine No. 1198, officially dubbed the N-Solarizer!"
"In addition, this is the Colress Machine No. 1199, officially dubbed the N-Lunarizer! It makes it possible for Necrozma to fuse with the Legendary Pokémon, Lunala!"
"Ah yes. I have heard in fact that you first met Solgaleo/Lunala—no, its pre-evolved Cosmog—upon Mahalo Trail."
"I believe that a Trainer like you will be able to use both Alola's Legendary Pokémon and the fearsome power of Necrozma properly!"
"I happen to know quite a bit about Pokémon fusion myself... But that is a different tale. Good luck in your battles!"
Episode RR USUM
Team Rocket's Castle
Lusamine's room
"I see you are still dedicated to your own desires, Ghetsis..."
"It has been a while."
"Miss Lillie, it is good to see you again. We ran into each other in the lab, perhaps you recall?"
"And you, <player>. We meet again! Ms. Wicke had sent word that you may need assistance. You'll have to forgive my rudeness, but I followed your trail using an invisibility device I recently invented. It seems Ghetsis here has caused you quite some trouble! Although it appears this Ghetsis is from a different world than the one I know."
"Oh, please... I simply despise you, Ghetsis. That's enough reason for me!"
"It seems like repeated use is not a problem, even with the prototype. I should have known Colress Machine No. 1102 would work!"
"I simply adjusted his dimensional "channel," if you will, and sent him back to his original world!"
"But turning Aether Paradise back to its original form... With all the different worlds mixing together, that won't be easy, even for me! There is tremendous power of evil at the center of the castle... If we can remove that man's twisted desires, the Colress Machine should be able to revert everything back to normal..."
"Indeed, Miss Lillie! You are a very sharp young lady! I would like to study this castle, however, so I leave the rest to you two!"
"This castle... Oh, of course! Necrozma's power to open Ultra Wormholes overflowed and resonated with intent of tremendous evil, twisting reality and causing this to appear!"
"The vortex of power somehow...summoned the evil leaders, such as Ghetsis, from their worlds!"
"It's all very interesting... Ah, I mean, quite a pain. I could put this power to much better use!"
Trophy room
"The Colress Machine has been activated, and it restored the mansion to its original form... Which've done it! You defeated Team Rocket!"
"For a Trainer such as you, who can bring out Pokémon's power through your bonds, it must have been easy. The defeat of Team Rocket's boss seems to have sent everyone who had come with him back to their own worlds. As for me... I have decided on the next theme of my research! Well then, I hope to see you again sometime."
Route 8
"You there! Do you know of the Pokémon called Genesect?"
I do!: "Then I have no choice but to admit that you are all I would expect you to be!"
I don't: "Then allow me to inform you! Genesect is a Pokémon that lived 300 million years ago. Then an organization called Team Plasma modified it, attaching a cannon to its back."
"The cannon's abilities could be activated using certain drives created by the scientists in the P2 Laboratory. I think that you might be able to use them as they should be used."
"Simply believing in your Pokémon will not guarantee that you can do everything you want. But there are many things that are guaranteed to fail if you do not believe in them. It is the trust between a Trainer and a Pokémon alone that can overcome those hurdles!"
If the player has not gone to the Battle Tree yet: "You there! You should know that there is a battle facility on Poni Island called the Battle Tree. I look forward to seeing what kinds of Trainers and Pokémon I can encounter there!"
If the player has gone to the Battle Tree before: "You know that there is a battle facility on Poni Island called the Battle Tree, don't you? I look forward to seeing what kinds of battles you might have there!"
Battle Tree
  • Before battle
"I'm glad! I'll be able to bring out the power of Pokémon by battling you!"
  • When defeated
"Splendid! You are quite the Trainer!"
  • If the player is defeated
"I'll file away info on this fighting style of yours!"


Colress anime art.png
Official artwork from the
Best Wishes series


Spr B2W2 Colress.png VSColress.png VSColress SM.png
Sprite from Black 2 and White 2 VS sprite from
Black 2 and White 2
VS model from
Sun and Moon
Colress OD.png Colress SM OD.png
Overworld sprite from Black 2 and White 2 Overworld model from
Sun and Moon

In the anime

In the main series

Colress in the anime

Colress debuted in Team Plasma's Pokémon Power Plot!, conducting experiments with wild Pokémon in an attempt to bring out their true strength. From his base in an abandoned observatory outside of Floccesy Town, he used a large machine to generate electromagnetic waves that resonated with small devices on the wild Pokémon's foreheads, increasing their aggression and attack power while also rendering them subservient to Team Plasma's commands. Unfortunately for the villains, the mind-control device's EM waves also leaked into the surrounding wilderness, driving the local Pokémon to attack Floccesy Town and revealing their presence in the area. When Ash, his friends, and Looker arrived in the observatory, Colress released his mind-controlled Pokémon on them to test their strength. Impressed by their Pokémon's ability to match his brainwashed Pokémon, he planted one of his controlling devices on Pikachu, forcing him to fight his Trainer. However, Ash's encouragement allowed Pikachu to fight against the EM waves, eventually causing the device to break and freeing Pikachu, much to Colress's amazement. Before he could gather further data, Team Rocket showed up, using one of their miniature robots to steal Colress's research data from his computer before quickly reciting their motto and making an escape with their balloon. With the mind-controlled Pokémon freed, Colress and the Team Plasma Grunts he had with him retreated, destroying the observatory with a self-destruct mechanism to get rid of all possible evidence.

Colress appeared again in Team Plasma's Pokémon Manipulation!, where it was revealed that he had upgraded his Pokémon-controlling machine with his remaining research data. Instead of emitting radio waves to activate separate receivers on its targets, the machine now fired a narrow energy beam which instantly brought any Pokémon it hit under Team Plasma's control. Using this machine, Colress took control of a Haxorus, which he sent rampaging in a city. When Ash and his friends arrived and sent their Pokémon to stop Haxorus, Colress used his machine to take control of Iris's Dragonite, giving the heroes a lot more trouble to deal with. Suddenly Team Rocket appeared, attempting to steal Colress's machine. A battle between Jessie and James's Woobat and Amoonguss and Aldith's Liepard then took place, during which one of Liepard's Shadow Balls accidentally hit the machine, breaking it and freeing Haxorus and Dragonite from his control. Realizing that they were at a disadvantage, Colress and the Plasma Grunts retreated.

Colress appeared briefly in Secrets From Out of the Fog! with Aldith, discussing Team Plasma's plans with Ghetsis on a videophone call.

Colress appeared again in Meowth, Colress and Team Rivalry!. Team Rocket invaded his newest laboratory and drew his security - consisting of Aldith, Barret and some other Plasma Grunts - into a trap in the woods. Once Colress was alone, Meowth approached him and attempted to convince him to join Team Rocket. Colress refused, but offered to allow Meowth to participate in an experiment to increase his strength. Meowth agreed, having undergone training to resist the mind control device. However, Colress still managed to take control of Meowth, and ordered him to attack Jessie and James. Using Frillish and Amoonguss, they managed to snap him out of it before escaping. Later, Colress was seen with his Grunts reporting to Ghetsis, who revealed information about the Light Stone to them.

In Ash and N: A Clash of Ideals!, Colress appeared with the rest of Team Plasma to commence their operation at the White Ruins. While Aldith, Barret and many other Grunts ambushed the workers at the site, Colress used his perfected machine to seize control of the workers' Pokémon and turn them on their Trainers. In Team Plasma and the Awakening Ceremony!, he also took control of Pikachu again, forcing N to surrender the Light Stone to Team Plasma in exchange for Ash's safety. He appeared again in What Lies Beyond Truth and Ideals!, aiding Ghetsis in taking control of the awakened Reshiram. When Ash and Pikachu tried to stop him, he used his machine on Pikachu yet again. However, this time Pikachu was able to fight against its control, and - together with Reshiram - destroyed Colress's machine once and for all, thus freeing the controlled Pokémon. Later Colress and the other Team Plasma members were arrested by Looker, thus bringing the team down. As Officer Jenny took Team Plasma into custody, Colress mentioned his next project will be a device that allows Pokémon to communicate with people.


This article is missing information on this character's English voice actor and Japanese voice actor.
You can help by adding this information.


While Colress has not been shown to own Pokémon in the anime, his mind-control device allowed him to temporarily command the following Pokémon:

Colress's Galvantula
Galvantula was one of the Pokémon Colress used to test the original version of his mind-control device. It appeared to be one of Colress' favorites, as he called it his "star test subject", but passed out when Colress attempted to increase the intensity of the EM waves. After it recovered, it was forced to fight against Ash's Pikachu and Iris's Axew. It was eventually released from Colress's control when Team Rocket stole his data and deactivated the machine.

Galvantula's known moves are Thunderbolt and Electro Ball.

Debut Team Plasma's Pokémon Power Plot!
Colress's Beartic
Beartic was one of Colress' test subjects in the Floccesy Town observatory. It was also forced to fight against Ash's Pikachu and Iris's Axew. It was eventually released from Colress's control when Team Rocket stole his computer's data.

Beartic's only known move is Ice Beam.

Debut Team Plasma's Pokémon Power Plot!
Voice actors
English Tom Wayland
Colress's Scolipede

Colress's Scolipede
Scolipede (×2)
Colress used his mind-control machine to take control of a Scolipede on two separate occasions.

The first Scolipede was one of the Pokémon Colress used in his initial research, being subjected to EM waves within the old Floccesy Town observatory. It was forced to fight against Ash's Pikachu, and was eventually released from Colress' control when Team Rocket stole his data.

In Team Plasma's Pokémon Manipulation!, Colress tested out the upgraded version of his mind-control machine on another Scolipede. After the Scolipede fired off an attack, Colress turned his machine off, reverting the Scolipede back to its normal state.

The first Scolipede's only known move is Poison Tail.
The second Scolipede's only known move is Solar Beam.

Debut Team Plasma's Pokémon Power Plot!
Voice actors
Japanese Unshō Ishizuka
English Marc Thompson
Colress's Mienshao
Mienshao was another of the Pokémon Colress used in his initial research. It was forced to fight against Iris's Axew, and was eventually released from Colress' control when Team Rocket stole his data.

Mienshao's known moves are Low Sweep and High Jump Kick.

Debut Team Plasma's Pokémon Power Plot!
Voice actors
English Tom Wayland
Ash's Pikachu
Main article: Ash's Pikachu

During the battle against the controlled Pokémon in the abandoned observatory, Colress was impressed by Ash's Pikachu's strength. Deciding to use the Electric Mouse for his tests, he attached a receiver to Pikachu and turned his EM wave generator to maximum output. Although Pikachu was forced to attack his Trainer, Ash was able to encourage him to fight against the machine. After a struggle, he managed to destroy the receiver on his head, freeing himself from Colress's control.

In Team Plasma and the Awakening Ceremony!, Colress used his perfected mind-control device to take control of Pikachu again. This time, Ash's pleas did not get through to him, and Colress forced the Mouse Pokémon to viciously attack his Trainer. Colress ultimately freed him from control once N traded the Light Stone for Ash's safety.

In What Lies Beyond Truth and Ideals!, during the final battle against Team Plasma, Colress took control of Pikachu for the third time. This time, however, Pikachu was able to fight against the force that controlled him, even disobeying his orders and attacking Reshiram, which was also under Colress's control. Even though Colress fired his device on Pikachu again, he was able to keep fighting, and, together with the similarly-rebelling Reshiram, destroyed the control machine, freeing the controlled Pokémon once and for all.

Debut Team Plasma's Pokémon Power Plot!
Voice actors
Japanese Ikue Ohtani
English Ikue Ohtani
Rhoder's Haxorus
Colress took control of a Haxorus belonging to a Trainer named Rhoder with his upgraded mind-controlling machine, sending it on a rampage. When the machine was broken, it was freed from Colress' control, ending its rampage and allowing Rhoder to return it to its Poké Ball.

Haxorus's known moves are Hyper Beam, Shadow Claw, and Hidden Power.

Debut Team Plasma's Pokémon Manipulation!
Iris's Dragonite
Main article: Iris's Dragonite

When Ash and his friends attempted to stop Haxorus, Colress used his machine to take control of Iris's Dragonite, sending him on a rampage just like Haxorus. When the machine was broken, he was freed from Colress' control, ending his rampage and allowing Iris to return him to his Poké Ball.

Debut Team Plasma's Pokémon Manipulation!
Voice actors
Japanese Kensuke Satō
English Kensuke Satō
Team Rocket's Meowth
Main article: Meowth (Team Rocket)

When Team Rocket teamed up with Colress to use his machine to amplify Meowth's power, he double-crossed them and had Meowth attack them. Frillish and Amoonguss were used to calm Meowth long enough for Jessie and James to snap him out of Colress' control.

Debut Meowth, Colress and Team Rivalry!
Voice actors
Japanese Inuko Inuyama
English Carter Cathcart
Cedric Juniper's assistant's Golurk
Golurk (multiple)
At the White Ruins, Colress seized control of several Golurk from Cedric Juniper's assistants using his perfected machine so they could be used to aid Team Plasma's mission. They were freed from Colress' control when Pikachu and Reshiram rebelled against him and destroyed the control machine.

Golurk's known moves are Charge Beam, Telekinesis, and Shadow Ball.

Debut Ash and N: A Clash of Ideals!
Cedric Juniper's assistant's Timburr
Timburr (multiple)
At the White Ruins, Colress seized control of several Timburr and Conkeldurr from Cedric Juniper's assistants using his perfected machine so they could be used to aid Team Plasma's mission. They were freed from Colress' control when Pikachu and Reshiram rebelled against him and destroyed the control machine.

None of Timburr's moves are known.

Debut Team Plasma and the Awakening Ceremony!
Cedric Juniper's assistant's Conkeldurr
Conkeldurr (multiple)
At the White Ruins, Colress seized control of several Timburr and Conkeldurr from Cedric Juniper's assistants using his perfected machine so they could be used to aid Team Plasma's mission. They were freed from Colress' control when Pikachu and Reshiram rebelled against him and destroyed the control machine.

None of Conkeldurr's moves are known.

Debut Team Plasma and the Awakening Ceremony!
Anthea's Gothitelle
Colress took control of Gothitelle when Anthea and Concordia arrived to fight Ghetsis and Team Plasma. It was freed from Colress' control when Pikachu and Reshiram rebelled against him and destroyed the control machine.

Gothitelle's known moves are Psychic, Protect, and Psybeam.

Debut What Lies Beyond Truth and Ideals!
Voice actors
English Emily Jenness
Concordia's Gardevoir
Colress took control of Gardevoir when Anthea and Concordia arrived to fight Ghetsis and Team Plasma. It was freed from Colress' control when Pikachu and Reshiram rebelled against him and destroyed the control machine.

Gardevoir's known moves are Protect, Magical Leaf, and Signal Beam.

Debut What Lies Beyond Truth and Ideals!
Voice actors
Japanese Megumi Hayashibara
English Michele Knotz
Ghetsis's Reshiram
Main article: Recurring wild Pokémon in the anime → Reshiram

Once Ghetsis had managed to awaken Reshiram, Colress used his machine to take control of it. However, thanks to Ash, N, and Pikachu, Reshiram started to fight against its controller, and, together with Pikachu, destroyed the control machine, freeing the controlled Pokémon once and for all. Afterwards, Reshiram bid farewell with N and flew away.

Debut What Lies Beyond Truth and Ideals!

Voice actors

Language Voice actor
Japanese 東地宏樹 Hiroki Tōchi
English Eli James
Finnish Ilkka Villi
Polish Adam Krylik
Brazilian Portuguese Ricardo Teles​
European Spanish Jesús Maniega
Swedish Emil Almén

In the Pokémon Black 2 and White 2 Animated Trailer

Colress in the animated trailer

In Pokémon Black Version 2 and Pokémon White Version 2 Animated Trailer, Colress appeared at Castelia City, where he was seen telling Nate that he disagreed with the original Team Plasma's view on liberating Pokémon from humankind.


This listing is of Colress's known Pokémon in Black 2 and White 2 Animated Trailer:

Colress's Magneton
Magneton is Colress's only known Pokémon. It was seen briefly when Colress talked with Nate.

None of Magneton's moves are known.

Debut Black 2 and White 2 Animated Trailer

Voice actors

Language Voice actor
Japanese 諏訪部順一 Jun'ichi Suwabe
English Sean Schemmel
European Spanish José Luis Angulo

In Pokémon Generations

Colress made an appearance in The Frozen World, in which he was seen conducting an experiment on the Legendary Kyurem aboard the Plasma Frigate. He managed to draw out Kyurem's strength to power up a cannon, which allowed Team Plasma to freeze Opelucid City completely. This was part of an operation to get the DNA Splicers, which also involved former Sage Zinzolin.



While Colress has not been shown to own Pokémon in Pokémon Generations, he controlled the following Pokémon:

Colress's Kyurem
Kyurem was controlled by Colress and used to power up a cannon to freeze Opelucid City.

None of Kyurem's moves are known.

Debut The Frozen World

Voice actors

Language Voice actor
Japanese 川島得愛 Tokuyoshi Kawashima
English Christopher Niosi
European Spanish Jordi Naro

In the manga

In the Pokémon Adventures manga

Colress in Pokémon Adventures
Colress as the Hood Man

Colress appeared as an antagonist, helping Team Plasma with their goal of Pokémon liberation. Colress' first appearance was as a competitor in the Unova Pokémon League, where he was disguised as the cloak-bearing Hood Man (Japanese: フードマン Hood Man). He managed to sneak in without having earned any of the eight Unova Gym Badges. After battling his way through Victory Road, he eventually made it into the top 8. In the quarterfinals match, he was paired up against Marlon. Although Marlon managed to disable the moves of Colress' Beheeyem, Colress came out on top and advanced to the next round. After leaving, he noted that participating in the League and observing powerful Trainers would help him in his research. In the semifinals, Colress faced his next opponent, Cheren. Although Cheren initially struggled due to his Snivy's disappointing strength, he switched it out for his Unfezant and quickly defeated Colress's Beheeyem with a U-turn.

Later, when Cheren battled with Black, Colress talked to Zinzolin about his theory that a cold heart was the best way to bring out a Pokémon's true strength. Although Zinzolin stated that his theory was correct, Colress noted that - in his battles - he was able to see varying styles from many strong Trainers that brought out their Pokémon's strength. When White discovered that the two were actually members of Team Plasma, she attempted to expose them to everyone at the League. Although she was successful, Colress had his Beheeyem use Teleport to transport her to N's room inside his castle.

When Team Plasma made their attack on the Pokémon League and N's Castle rose from the ground, Colress returned to prevent the Elite Four from helping in the battle. There, he revealed that he had been given Tornadus, Thundurus, and Landorus and that he intended on battling the Elite Four to discover how to transform the three into their Therian Formes. He discovered that a special mirror was the key to transforming the three Pokémon. When Ghetsis was defeated by Black, Colress rushed in to assist him. Using his Beheeyem, Colress freed Ghetsis, causing Black to be sealed into the Light Stone, and Teleported himself and Ghetsis away. Afterwards, he talked to Ghetsis, who thanked him for his assistance. Ghetsis expressed a desire to work with him again, but Colress only agreed as long as it did not impede his research.

Two years later, he attacked Aspertia City for a test-run of the Colress Machine and Genesect. There, he encountered Blake and Looker, who happened to be in the area. Blake attempted to capture Genesect, noticing that Colress was controlling it with a machine and inferring that it must still be a wild Pokémon. With the help of his Dewott, Blake succeeded in capturing Genesect. Defeated, Colress commended Blake's strength and left, revealing that he had become the new leader of Team Plasma and telling the two that Ghetsis was the one to ask if they wished to discover why. Later, he arrived at the Plasma Frigate to check up on the new Grunt uniforms he had designed. He met with Ghetsis and stated that they should call Zinzolin and get him to rejoin them.

Later, Colress confronted Zinzolin at the Cold Storage for refusing to answer the call to come back. After trapping Zinzolin, Colress asks him to reveal what he learned about the third Unova Legendary Dragon: Kyurem. Zinzolin reveals that despite Ghetsis refusing to allow him to study Unova's Dragon Pokémon, he still went ahead and did so. In his findings, Zinzolin discovered Kyurem and traveled to the Giant Chasm, where he managed to capture it. Colress is impressed by Zinzolin's success, but demands that he hand Kyurem over to him. Angered, Zinzolin refuses and threatens to kill Colress for humiliating him. Unfazed by these claims, Colress tells Zinzolin to try and go through with his threat.

Zinzolin commands Kyurem to attack Colress, who proceeds to dodge its attacks with Klinklang's speed. Colress mocks Zinzolin's lack of skill as a Trainer and pulls out the Colress Machine to use it on Kyurem. Before he can use the device, Colress's arm is bound by the ice crystal chains of Zinzolin's Cryogonal, which had kept itself hidden by turning into steam. Zinzolin has Cryogonal throw the Colress Machine to him so that he may destroy it, but Beheeyem stops Zinzolin before he can grab it. After some thinking, Colress deduces that Zinzolin's goal is to have Kyurem fuse with Reshiram or Zekrom through Absofusion. Colress then decides to retrieve the Colress Machine and has Thundurus and Landorus attack Zinzolin from behind. When Blake arrives at the Pokémon World Tournament, he sees a defeated Zinzolin being thrown out of the Cold Storage. When Thundurus and Landorus spot Blake, they immediately transform into their Therian Formes. Colress reveals that he is in possession of the Reveal Glass, which he used to cause the Forme Change.

Blake attempts to arrest the unconscious Zinzolin, but he is taken away by Colress, who wishes to use his knowledge about Kyurem to Team Plasma's advantage. After Colress sends Tornadus out to battle, Blake has his team battle the three while he battles Colress. With the Colress Machine, Colress takes control of Kyurem and attempts to have it attack Blake, but he is interrupted by the arrival of Ghetsis and the Plasma Frigate. Ghetsis has Colress move Kyurem to a special room on the Frigate. Blake attempts to stop them, but is attacked by the Shadow Triad, allowing Colress and Ghetsis to take to the skies on the Frigate.

As the ship sets off, Colress discovers that Blake managed to successfully sneak aboard the ship's deck. Knowing that Blake's goal is to arrest Zinzolin and Ghetsis, Colress decides to let the boy roam free. The Plasma Frigate is flown to Castelia City, which Colress attacks with the ship's Kyurem Cannon. The beam fired from the cannon freezes several buildings and people in an instant, much to Colress's delight. His enjoyment is interrupted when Ghetsis notices Rood, a traitor to Team Plasma, and orders Colress to capture him. Colress reluctantly agrees, but ends up accidentally grabbing Whitley instead. Annoyed that he got the wrong target as well as Rood managing to escape, Colress commands some Grunts to lock Whitley inside an empty cabin.

After Blake and Whitley meet up with each other and escape the cabin, they work together to free Kyurem from the chamber it was contained in. Although they successfully destroy the chamber, Kyurem appears, revealing that it wasn't inside to begin with. Colress appears and reveals that the Plasma Frigate had already drained enough of Kyurem's energy to fly around and freeze all of Unova. Colress then commands Kyurem to freeze Blake and Whitley and commands some Grunts to throw them into the ocean. He then returns to his seat and begins to decide where to freeze next, only to be interrupted by a now-awake Zinzolin. Colress begins to wonder how Zinzolin actually encountered Kyurem and speculates that it was due to Kyurem reacting to when N awakened Zekrom. He speculates that if Kyurem reacted to Zekrom's awakening, then Reshiram and Zekrom may also be reacting to Kyurem's power as well. As he says this, N, Zekrom, and the Light Stone fly through the ocean towards Unova.


Colress's Beheeyem
Beheeyem is Colress's first known Pokémon. Beheeyem was used to manipulate weak-minded people into releasing their Pokémon so that more people would be influenced by this and do the same. It was first used to battle Marlon's Jellicent and despite having Energy Ball disabled via Cursed Body, it won with a super effective Shadow Ball. Later, it was used against Cheren's Unfezant and was defeated by a super effective U-turn. When White attempted to rat Colress out, Beheeyem was used to Teleport her out of the stadium. Beheeyem also freed Ghetsis from a Stone Edge trap, slammed Black against Reshiram as it retracted into the Light Stone, and Teleported Ghetsis and Colress away from N's Castle.

Beheeyem's known moves are Recover, Calm Mind, Energy Ball, Shadow Ball, Teleport, and Wonder Room, and its Ability is Telepathy.

Debut The Tournament Continues
Colress's Klink
Klink is Colress's second known Pokémon. It was first used to battle Cheren's Snivy at the Unova League. It was able to easily overpower Snivy, but was later switched out with Beheeyem.

None of Klink's moves are known.

Debut Something Suspicious
Colress's Klinklang
Klinklang is Colress's third known Pokémon. It was first used to keep Colress in the air while he battled the Elite Four. When Grimsley managed to out-speed it during his battle with Colress, it was exchanged with Genesect.

Klinklang's known moves are Shift Gear, Gear Grind, and Autotomize.

Debut Cold Hard Truth


Colress's Tornadus

Colress's Tornadus
Main article: Forces of Nature (Adventures)

Colress was given Tornadus in order to figure out how to change Tornadus between his Incarnate and Therian Formes. To do so, Colress used him to battle against the Elite Four to collect data. After discovering the Reveal Glass, he succeeded in having Tornadus achieve Therian Forme.

Debut A Stormy Time in the Battle Subway
Colress's Thundurus

Colress's Thundurus
Main article: Forces of Nature (Adventures)

Colress was given Thundurus in order to figure out how to change Thundurus between his Incarnate and Therian Formes. To do so, Colress used him to battle against the Elite Four to collect data. After discovering the Reveal Glass, he succeeded in having Thundurus achieve Therian Forme.

Debut Battle on a Roller Coaster
Colress's Landorus

Colress's Landorus
Main article: Forces of Nature (Adventures)

Colress was given Landorus in order to figure out how to change Landorus between his Incarnate and Therian Formes. To do so, Colress used him to battle against the Elite Four to collect data. After discovering the Reveal Glass, he succeeded in having Landorus achieve Therian Forme.

Debut A Stormy Time in the Battle Subway


Colress's Genesect
Genesect was first used by Colress at the Pokémon League. It was used to escape from Grimsley by flying away with its High-Speed Flight Form. In the Black 2 & White 2 chapter, Genesect was used by Colress to attack Blake and Looker. After a long battle, Blake managed to capture Genesect.

Genesect's only known move is Techno Blast.

Debut The Shadow Triad
Colress's Scolipede
Scolipede was controlled by Colress in order to attack Looker when he returned to Unova. It followed Looker to the Aspertia City Trainers' School and attacked him before being defeated by Blake's Dewott.

None of Scolipede's moves are known.

Debut The Transfer Student
Colress's Kyurem
Main article: Tao trio (Adventures)

Kyurem was taken from Zinzolin after he was defeated by Colress at the Cold Storage. By using the Colress Machine, Colress took control of Kyurem and had it put itself onto the Plasma Frigate.

Debut PS536

In the TCG

Main article: Colress (Plasma Storm 118)
Full Art print of Colress

Colress was introduced as a Supporter card in the Pokémon Trading Card Game during the English Black & White Series (the Japanese BW Era). First released in the Japanese Plasma Gale expansion, it was later released in the Team Plasma's Powered Half Deck and Team Plasma Battle Gift Set before debuting in English in the Plasma Storm expansion, with all prints featuring an illustration based on the Yusuke Ohmura artwork of the character. It was also released as a Full Art card in the Plasma Gale and Plasma Storm expansions, with an illustration by Kanako Eo. Colress allows the player to shuffle their hand into their deck, then draw as many cards as there are Benched Pokémon, the player's as well as the opponent's.


  • Colress does not have an introduction and VS sprite the first two times he is fought. The third time, he has the Team Plasma template used by N and Ghetsis. In the post-Champion rematches, he uses the basic template used for battles against Gym Leaders, rivals, and Benga.
    • Colress's unique battle background music, 戦闘! アクロマ Battle! Colress, is not used in the first battle against him; it is first heard when he is fought on the Plasma Frigate and is kept for rematches.
  • Colress bears a striking resemblance to Ein, both in terms of appearance and motive. Both are scientists who wear glasses and a white lab coat and have a hair flick. Furthermore, they both strive to unlock the potential in Pokémon, and side with the evil team of their respective games.
  • According to concept art for Generation VII, Colress's new outfit is named the "Achromatic Wearable Console."


Language Name Origin
Japanese アクロマ Achroma From achromatic
English Colress From colorless
French Nikolaï From ni (neither) and couleur (color)
German Achromas From achromatisch, achromatic
Italian Acromio From acromatico, achromatic
Spanish Acromo From acromático, achromatic
Korean 아크로마 Akeuroma Transliteration of his Japanese name
Chinese (Mandarin) 阿克羅瑪 / 阿克罗玛 Ākèluómǎ Transliteration of his Japanese name
Chinese (Cantonese) 阿克羅瑪 Ahāklòhmáh Mandarin-based transliteration of his Japanese name
Vietnamese Achroma Same as Japanese.

Hood Man

Language Title
Mandarin Chinese 斗篷怪人 Dǒupéng Guàirén
Brazil Flag.png Brazilian Portuguese Homem-Capuz
Spain Flag.png European Spanish Hombre Encapuchado
Vietnam Flag.png Vietnamese Người đàn ông đội mũ trùm

Related articles

King: N
Seven Sages: GhetsisGormBroniusRoodZinzolinGialloRyoku
Notable Members: Shadow TriadAnthea and ConcordiaColress
Lower Members: Plasma GruntsTogariAldithSchwarz and WeissBarretWhitley
Buildings: N's CastleP2 LaboratoryPlasma Frigate


Anime characters
Protagonists Ash KetchumPikachuMistyTogeticBrockTracey SketchitMayMaxDawnPiplupIrisAxewCilanSerenaClemontBonnieDedenneLanaKiaweLillieSophoclesMallowRotom Pokédex
Rivals GaryRitchieHarrisonDrewHarleyMorrisonTysonSolidadPaulZoeyNandoKennyConwayBarryUrsulaTobiasTripBiancaBurgundyStephanGeorgiaCameronVirgilAlainAriaMietteTiernoShaunaTrevorNiniSawyerGladion
Antagonists JessieJamesMeowthWobbuffetGiovanniButchCassidyDr. NambaMatoriPierceDr. ZagerShellyArchieTabithaMaxieHunter JSaturnMarsJupiterCyrusCharonColressAldithGhetsisBarretLysandreXerosicCelosiaBryonyMableAlianaTuppZippRappFaba
Professors Professor OakProfessor IvyProfessor ElmProfessor BirchProfessor RowanProfessor CarolinaProfessor JuniperCedric JuniperDr. FennelProfessor SycamoreProfessor KukuiProfessor Burnet
Relatives Delia KetchumFlintLolaForrestBrock's siblingsDaisyVioletLilyJames's parentsNanny and Pop-PopNormanCarolineJohannaChiliCressGraceMeyerLana's motherHarper and SarahLusamineGladionRangoSimaMimoKiawe's grandfatherAbeMallow's brotherSophocles's parents
Supporting Officer JennyNurse JoyMagikarp salesmanTodd SnapCharles GoodshowCaseyLizaSakuraLanceStevenMr. SukizoRaoul ContestaVivian MeridianRobertScottLilian MeridianMarianRhondaCynthiaReggieAngieLookerLyraKhouryDon GeorgeAlderLukeFreddy O'MartianIngoEmmetJervisNAnthea and ConcordiaPorterAlexaSophieCosetteClembotSanpeiMairinDianthaGurkinnMonsieur PierrePalermoKeananMalvaSquishyZ2Samson OakHobbesNebbyWickeGym LeadersElite FourFrontier BrainsIsland KahunasMany temporary characters

Non-player characters in the core series games
Unova Professor JuniperMom (BW)Mom (B2W2)CherenBiancaBianca's fatherHughCedric JuniperFennelAmanita
CilanChiliCressLenoraHawesLoblollyCharlesIrisDraydenAlderBengaCurtisYancyBrycenSabrinaPop Roxie
HilbertHildaNateRosaIngoEmmetCynthiaMorimotoNishinoLookerNColressGhetsisPokémon Fan Club Chairman
Team PlasmaClydeGym LeadersElite FourPWT participantsName RaterDay-Care CoupleJudgeMagikarp salesman
Alola Professor KukuiMomLillieNebbyHauRotomProfessor BurnetMolayneSamson OakRyukiMohn
Team SkullAether FoundationUltra Recon SquadTeam Rainbow Rocket
Trial CaptainsIsland KahunasElite FourName RaterJudgeMr. HyperGester

Project CharacterDex logo.png This game character article is part of Project CharacterDex, a Bulbapedia project that aims to write comprehensive articles on each character found in the Pokémon games.