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ラムダ Lambda
HeartGold SoulSilver Petrel.png
Art from HeartGold and SoulSilver
Gender Male
Eye color Black
Hair color Purple
Hometown Unknown
Region Johto
Trainer class Executive
Generation II, IV
Games Gold, Silver, Crystal, HeartGold, SoulSilver
Member of Team Rocket
Rank Executive

Petrel (Japanese: ラムダ Lambda) is one of the four Team Rocket Executives introduced in Pokémon Gold and Silver. However, his true identity wasn't revealed until Pokémon HeartGold and SoulSilver.

In the games

In Pokémon HeartGold and SoulSilver, Petrel is apparently Team Rocket's master of disguise. He is first seen dressing as Giovanni and then battled in the Team Rocket HQ. In Goldenrod Radio Tower he appears again, using his disguise skills again, this time dressed as Radio Tower Director.

Petrel's motives on Team Rocket are more mild-mannered, as he freely gives out information such as passwords and the location of the Director. He even considers himself a "nice guy" and hands over the key. In fact, it is his giving out of this information that leads to many of Team Rocket's defeats, despite his opinion that the player can't use the information anyways.

Petrel's position has existed since Pokémon Gold and Silver. However, his existence was easy to miss because all Rocket Executives used the same sprite (now adopted as Archer's canonical design), making it seem to some like there was only one Executive. The Rocket Executive that Petrel is based on was then given a canonical design and an official name in HeartGold and SoulSilver, along with the other three Executives, to distinguish them as individuals. Proton's case is the same.


Pokémon Gold, Silver, and Crystal

First battle

Second battle

Pokémon HeartGold and SoulSilver

First battle

Second battle


Pokémon Gold, Silver and Crystal

Team Rocket HQ
  • Before battle
"What? Who are you? This is the office of our leader, Giovanni. Since disbanding Team Rocket three years ago, he has been in training. But we're certain he will be back some day to assume command again. That's why we're standing guard. I won't let anyone disturb this place!"
  • After being defeated
"I… I couldn't do a thing… Giovanni, please forgive me…"
  • After battle
"No, I can't let this affect me. I have to inform the others…"'
Radio Tower
  • Before battle
"Y-you! You came to rescue me?"
"Is that what you were expecting? Wrong! I'm an imposter! I pretended to be the real thing to prepare for our takeover. Do you want to know where we hid the real Director? Sure, I'll tell you. But only if you can beat me!"
  • After being defeated
"OK, OK. I'll tell you where he is."
  • After battle
"We stashed the real Director in the underground warehouse. It's at the far end of the Underground. But I doubt you'll get that far."

Pokémon HeartGold and SoulSilver

Team Rocket HQ
  • Disguised as Giovanni
"Muhahaha, we've been waiting for you. So, you are <player>… Me? You don't know who I am? It is me, Giovanni. The majestic Giovanni himself! Wahahaha! …Huh? I don't sound anything like Giovanni? I don't even look like Giovanni? How come? I've worked so hard to mimic him!"
  • Before battle
"I am a Team Rocket Executive! You must be trying to sneak into the radio-transmitter room. Well, that's not going to happen. That room is protected with a special password. The password is "Hail Giovanni". Surprised to hear it from me? Knowing the password won't help you though. The door won't open unless I say the password. It only reacts to my voice."
  • After sending out last Pokémon
"Hey, you're good!"
  • During battle (less than half HP)
"Wow, strong!"
  • When defeated
"I… I couldn't do a thing… Giovanni, please forgive me…"
  • After being defeated
"Since disbanding Team Rocket three years ago, our Giovanni has been missing. But we're certain he's been waiting for the right time for our revival... Wahahaha! Losing to you won't change the fact that you are unable to get in the radio-transmitter room! You need my voice to unlock it!"
Radio Tower
  • Disguised as the Director
"Ahem, do you hear me? ...I am the Director. We have decided to broadcast wonderful shows to praise Team Rocket! Everyone, I don't want to hear you complain. Just do a good job to... Yikes! I am busy impersonating the... Who are you? ...Oh no, it's you again, <player>?"
  • Before battle
"No, no, no! I was pretending to be the Director to influence the entire region to support Team Rocket! This time I won't hold back! Give me all you've got!"
  • After sending out last Pokémon
"What? Am I losing?"
  • During battle (less than half HP)
"Hey, wait, are you serious?!"
  • When defeated
"OK, OK. I'll tell you where he is."
  • After being defeated
"Listen carefully. We stashed the real Director in the underground warehouse. It's at the far end of the Goldenrod Tunnel. I am a nice guy. I will give you the Basement Key to get to the underground warehouse. Take it with gratitude!"
"Hahaha... I doubt a child like you'll get that far."


Spr GS Rocket Executive M.png

Giovanni IV OD.png Petrel OD.png Spr HGSS Petrel.png VSPetrel.png File:Baoba OD.png
Petrel's sprite from
Gold, Silver, and Crystal
Petrel's overworld sprite, when disguised as Giovanni, from
HeartGold and SoulSilver
Petrel's overworld sprite from
HeartGold and SoulSilver
Petrel's sprite from
HeartGold and SoulSilver
Petrel's VS sprite from
HeartGold and SoulSilver
Petrel's overworld sprite, when disguised as the Radio Director, from
HeartGold and SoulSilver

In the manga

In the Pokémon Adventures manga

Petrel in Pokémon Adventures

Petrel appears in the HeartGold & SoulSilver chapter alongside the other three Executives. He, along with his fellow teammates, take control of Team Rocket from Carr, saying that they will stay true to Giovanni's intentions. In this series, Petrel is a master of disguise, and has the ability to quickly disguise himself as any person he has met.

Petrel uses his Koffing to attack Silver and Clair at the Dragon's Den but loses and has his plate stolen. Later, he attacks Silver and Eusine at the Johto Safari Zone to recover the plate he lost. Using his Pokémon, Petrel gains an advantage over the two and nearly sends them off a bridge. However, Silver manages to rise up from the water, defeat Petrel, and take the two plates he had with him. Using his disguise skills, Petrel manages to escape from Silver's grasp and escape.

Later, he joins his fellow teammates to finish their plan to capture the legendary Pokémon Arceus. They arrive at the Ruins of Alph and witness Gold battling Arceus. After Arceus sends them all to the Sinjoh Ruins, the Four Generals restrain Arceus and force it onto the Mystri Stage.

Using its great powers, they force Arceus to create the legendary Pokémon Dialga, Palkia, and Giratina. While Archer, Ariana, and Proton start tearing up at the thought of pleasing Giovanni, Petrel reveals to Silver that he knows that he is the son of their boss. He reveals to Silver that he intends to betray his teammates by lying to Giovanni by telling him that Archer, Proton, and Ariana attacked Silver. With this information, Giovanni would destroy the three while Petrel would become Team Rocket's second-in-command for acting like he was protecting Silver.

Despite being blinded by Petrel's Golbat, Silver manages to escape his grasp and fly to where Dialga, Palkia, and Giratina and still being created. Using himself as a distraction, Silver manages to stall the Four Generals long enough for Gold and Crystal to destroy the Pokémon Arceus was forced to create. Now freed from their control, Arceus uses its powers to send Petrel and his teammates flying.

As Archer begins to lose his mind, Petrel becomes scared and decides to escape. Knowing that his teammates would stop him if he appeared as himself, Petrel decides to disguise himself as Giovanni so that he can walk freely. Before his plan can be executed, the real Giovanni arrives and stops him.

After the battle with Arceus had ended, Petrel attempted to escape once more by disguising himself as Bugsy. Gold quickly notices him, and Lance captures Petrel by having his Dragonite lift him up in the air. When Gold asks how a coward like Petrel could defeat him, Lance reveals that it was because Petrel disguised himself as a Trainer with the same powers and birthplace as him.


Petrel's Koffing (multiple)
Koffing (multiple)
Petrel owns many Koffing that he relies on for battling his enemies. They were first used to attack Silver and Clair at the Dragon's Den. Silver managed to defeat them and take the plate one was holding. Later, they were used to stop Silver from reaching the Pokémon Arceus was creating.

None of Koffing's moves are known.

Debut VS Koffing
Petrel's Raticate
Raticate was first used to battle Silver at the Johto Safari Zone. Using its powerful jaws, Raticate nearly sent Silver and Eusine falling off a bridge. Later, it was used to stop Silver from reaching the Pokémon Arceus was creating.

Raticate's only known moves is Hyper Fang.

Debut VS Weavile
Petrel's Golbat
Golbat is Petrel's mode of flight transportation. It was first used to battle Silver at the Johto Safari Zone. Later, it restrained Arceus and pulled it into the Mystri Stage. Petrel later used it to blind Silver by licking it with its long tongue, blinding his eyes and paralyzing his throat with its venom.

Golbat's known moves are Air Cutter and Lick*.

Debut VS Feraligatr

In the Pocket Monsters HGSS Jou's Big Adventure manga

Petrel's role in Jou's Big Adventure becomes a bit similar to the games. Jou meets Petrel in the Lake of Rage where he has a Tag Battle with Jou and Lance. Later, he is seen in Team Rocket's hideout watching Jou battle the grunts.


Petrel's Raticate
Petrel sent out Raticate along with Ariana's Gloom in a Tag Battle against Jou and Lance. It was beaten by Dragonite's Twister.

None of Raticate's moves are known.

Debut Jou VS Team Rocket

In the TCG

This listing is of cards mentioning or featuring Petrel in the Pokémon Trading Card Game.

Related cards
Cards listed with a blue background are only legal to use in the current Expanded format.
Cards listed with a silver background are legal to use in both the current Standard and Expanded formats.
Card Type English
Rarity # Japanese
Rarity #
Team Rocket's Trickery Su Undaunted Uncommon 78/90 Reviving Legends Uncommon 076/080
      Tyranitar Constructed Standard Deck   018/019


  • In Generation II, all the Rocket Executives (male and female) went unnamed. In the case of the male Executives, they all shared the same sprite, which eventually led to some confusion among the fans when Proton and Petrel were revealed. It was believed by many that they were introduced in Pokémon HeartGold and SoulSilver. However, closer research proved that the Executive role Petrel is filling has existed since Gold and Silver, having same role and Pokémon as his Generation IV counterpart. The only addition to his role is his masquerading as Giovanni, which no other character did in the original versions. Although Proton and Petrel's designs, names, and personalities weren't fleshed-out until Generation IV, they have both technically existed since Generation II.


Language Name Origin
Japanese ラムダ Lambda From Lambda, a type of Japanese rocket.
English, Spanish Petrel From Petrel, a type of British rocket.
French, German Lambda The same as Japanese.
Italian Maxus From Maxus, a sounding rocket.
Korean 람다 Lambda Same as Japanese name.

Members of Team Rocket
Bosses: Giovanni (animeAdventuresPocket Monsters)

Madame Boss*Masked Man*

Executives: ArcherArianaPetrelProton


Jessie, James, & Meowth (JJM)
Koga, Lt. Surge, & Sabrina (Triad*)
Ken, Al, & Harry (TRET)
Carr, Sird*, & Orm (T3B)
Duos: Butch & CassidyAttila & HunAnnie & Oakley*

ExecutivesScientistsGruntsRocket BrothersGideonDr. Fuji
DominoIron-Masked MarauderTysonWendyDr. Namba
SebastianViperMondoPierceDr. ZagerChristopher
MiyamotoRocket ScoutMatoriKaedeBlaine*

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.