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キョウ Kyō
""The Poisonous Ninja Master""
Art from Pokémon FireRed and LeafGreen
Gender Male
Eye color Black
Hair color Blue
Hometown Fuchsia City
Region Kanto
Relatives Janine (daughter)
Aya (anime only, sister)
Trainer class Gym Leader, Elite Trainer, Team Rocket Commander (Special),
Generation I, II, III, IV
Games Red, Blue, Yellow, Gold, Silver, Crystal, FireRed, LeafGreen, HeartGold, SoulSilver, Stadium, Stadium 2
Leader of Fuchsia Gym
Badge Soul Badge
Anime debut The Ninja Poké-Showdown
English voice actor Ken Gates
Japanese voice actor Hōchū Ōtsuka

Koga (Japanese: キョウ Kyō) was the Leader of Fuchsia City's Gym. He is a student of ninjutsu who specializes in Template:Type2 Pokémon. He handed out the Soul Badge to Trainers who defeated him.

He was promoted to the Elite Four, at some time after the events of Generation I and its remakes, but before the events of Generation II and its remakes, thus leaving his daughter, Janine, in charge of the Fuchsia Gym.

In the games

Art of Koga from Pokémon Red and Blue

Koga is called the Poisonous Ninja Master. He likes the despair and horror that Poison-type Pokémon can inflict on others. He has many students that he trains in both Ninjutsu and Pokémon. One of his students is his own daughter. He has built invisible walls in the Fuchsia City gym, constructing a confusing maze out of them. Koga awaits challengers in the center of the maze, clearly visible.

Koga has seriously studied medicine and antidotes, and makes his own potions to heal his Pokémon. Koga patrols the grounds of the Safari Zone regularly.

In addition to the Soul Badge, Koga gives out TM06 (Toxic), in Pokémon Red and Blue, Pokémon Red and Green, Pokémon Yellow, Pokémon FireRed and LeafGreen.

In Pokémon Gold and Silver, and Pokémon Crystal, Koga has become much more powerful. He has left the Fuchsia City Gym in the hands of his daughter, Janine, and joined the Elite Four. In this position, he battles with an intricate style, designed to confound and destroy his opponent in battle. His sinister technique is confusion, sleep, and poison, rather than brute force.

Fame Checker

This is a list of the Fame Checker's information on Koga in Pokémon FireRed and LeafGreen Versions.

Fuchsia City - sign
  • What does this person do?
"Fuchsia City Pokémon Gym
Leader: Koga
The Poisonous Ninja Master"
Fuchsia Gym - Koga
  • Favorite kind of Pokémon?
"Despair to the creeping horror of Poison-type Pokémon!"
Fuchsia Gym - Juggler Kirk
  • What is this person like?
"Even though I've lost, I will keep training according to the teachings of Koga, my ninja master."
Fuchsia City - Charine
  • Family and friends?
"My father is the Gym Leader of this town.
I’m training to use Poison Pokémon as well as my father."
Safari Warden's Home - Pokémon Journal
  • There’s a rumor...
"Koga is said to have a thorough knowledge of medicine.
He even concocts medicine to nurse his Pokémon to health."
Safari Zone - man
  • What does this person do?
"The Safari Zone<sc>'s huge, wouldn't you say?
<sc>Fuchsia's Gym Leader, Koga, patrols the grounds every so often.
Thanks to him, we can play here knowing that we're safe."
Message from Koga
  • From: Koga
  • To: [Player]
"You and I, we must both set our sights higher and work towards meeting our challenges.
Now, I must go train my daughter."


This is a listing of Koga's Pokémon in the games in which he has appeared.

Pokémon Red and Blue and Pokémon Red and Green

Pokémon Yellow

Pokémon Gold, Silver, and Crystal

Pokémon FireRed and LeafGreen

Pokémon HeartGold and SoulSilver

First Battle

Second Battle

Pokémon Stadium

Round 1

Round 2

Pokémon Stadium 2

Round 1

Round 2


File:KogaBlue.PNG File:Y Koga.png File:Koga 02.png
Koga's sprite from
Generation I
Koga's sprite from
Pokémon Yellow
Koga's sprite from
Generation II
File:SpriteKoga.png File:KogaHGSS.gif VSKoga.png
Koga's sprite from
Generation III
Koga's sprite from
Generation IV
Koga's VS sprite from
Generation IV

Pokémon Red and Blue

"Fwahahaha! A mere child like you dares to challenge me? Very well, I shall show you true terror as a ninja master! You shall feel the despair of poison and sleep techniques!"

"Humph! You have proven your worth! Here! take the Soul Badge!"

Pokémon Gold and Silver

"Fwahahahaha! I am Koga of the Elite Four. I live in shadows, a ninja! My intricate style will confound and destroy you! Confusion, sleep, poison... Prepare to be the victim of my sinister technique! Fwahahahaha! Pokémon is not merely about brute force--you shall see soon enough!"

"Ah! You've proven your worth!"

"I subjected you to everything I could muster. But my efforts failed. I must hone my skills. Go on to the next room, and put your abilities to test!"

In the anime

Koga in the anime.

Koga's only anime appearance was in the episode The Ninja Poké Showdown.

Koga is a ninja who trains in an old mansion, the Fuchsia City Gym, in the woods outside Fuchsia City. The Gym is filled with traps such as fake mirrors, invisible walls, pits, and many Voltorb. Aya, Koga's younger sister, is one of his students.

Ash, Misty, and Brock managed to overcome the traps in the Gym and Ash was finally able to challenge Koga. Although Ash's Pidgeotto initially lost to Koga's newly-evolved Venomoth, prompting Ash to call out Charmander, their match was interrupted when Team Rocket tried to steal Koga's large supply of Voltorb, although they had raided the Gym with the intent of getting Template:Type2 Pokémon. Team Rocket was stopped by Psyduck, allowing Ash and Koga to have a rematch. Pitting Charmander against Koga's Golbat, Ash triumphed and won the Soul Badge.


This listing is of Koga's known Pokémon in the anime:

Debut [[]]
Debut [[]]

At Fuchsia Gym

Voltorb (multiple)

Voice actors

Language Voice actor
Japanese 大塚 芳忠 Hōchū Ōtsuka
English Ken Gates
Polish Radosław Popłonikowski
Latin American Spanish Gerardo Vázquez

In the Pokémon Special manga

Koga in the Pokémon Special manga.

Koga is one of the three villainous heads of Team Rocket, and serves under Giovanni.

He debuts in the Red, Green & Blue chapter in Raging Rhydon searching the Moon Stone in Mt. Moon, here Koga fights with Red and Misty and forces his Rhyhorn to evolve with a mysterious injection, revealing what happened to Misty's Gyarados when it was kidnapped, however the mission fails. Koga later tries to bump off Red in Lavender Town's Pokémon Tower, where he uses a Gastly to reanimate the corpses of dead Pokémon buried there. He also attacks Red with his Arbok. However, Green has his Charmeleon slice Arbok in half. Under his boss's orders, he captures Articuno and brings it to Saffron City. He is once again defeated by Green at Silph Co..

Later, Koga helps the Pallet Town Trainers in the fight against the Elite Four during the Cerise Island battle. Koga is paired with Green. He then disappears for a time, leaving Janine in charge of the Gym. Janine is worried for her father, but opposes his criminal ties. At the end of the Johto adventures, Koga decides to ally himself with three other Trainers who had been abandoned by evil organizations: Bruno, Will, and Karen.

Two of Koga's Pokémon have unusual powers: his Arbok can regenerate itself as long as its head remains intact (see above); and his unusually small Golbat's mouth can be used almost like a magic mirror for scrying to see things from a distance, even if walls or land are in the way. Green takes this Golbat and keeps it for quite some time before returning it to Koga at Cerise Island.

Koga also uses custom-made Poké Balls which can be thrown as shuriken - perhaps an inspiration for Falkner’s later boomerang Poké Balls.


This is a listing of Koga's Pokémon in the Pokémon Special manga.




In the TCG

There is a Theme Deck named for Koga in the Gym Challenge expansion. For that Theme Deck, see Koga.



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

Name Type Level Rarity Set Set no.
Koga's Beedrill Grass 34 Rare HolographicH Gym Challenge 9/132
Koga's Ditto Colorless 12 Rare HolographicH Gym Challenge 10/132
Koga - - Rare HolographicH Gym Challenge 19/132
Rare 106/132
Koga's Arbok Grass 44 Rare Gym Challenge 25/132
Koga's Muk Grass 38 Rare Gym Challenge 26/132
Koga's Pidgeotto Colorless 34 Rare Gym Challenge 27/132
Koga's Golbat Grass 27 Uncommon Gym Challenge 46/132
Koga's Kakuna Grass 21 Uncommon Gym Challenge 47/132
Koga's Koffing Grass 15 Uncommon Gym Challenge 48/132
Koga's Pidgey Colorless 9 Uncommon Gym Challenge 49/132
Koga's Weezing Grass 31 Uncommon Gym Challenge 50/132
Koga's Ekans Grass 17 Common Gym Challenge 77/132
Koga's Grimer Grass 19 Common Gym Challenge 78/132
Koga's Koffing Grass 10 Common Gym Challenge 79/132
Koga's Pidgey Colorless 15 Common Gym Challenge 80/132
Koga's Tangela Grass 16 Common Gym Challenge 81/132
Koga's Weedle Grass 13 Common Gym Challenge 82/132
Koga's Zubat Grass 14 Common Gym Challenge 83/132
Fuchsia City Gym - - Uncommon Gym Challenge 114/132
Koga's Ninja Trick - - Uncommon Gym Challenge 115/132
Koga's Crobat Grass - Common Pokémon VS (no English release) 79/141
Koga's Forretress Grass - Common Pokémon VS (no English release) 80/141
Koga's Ninja Gym - - - Unnumbered Promotional cards (no English release) -


  • In the manga Pokémon PiPiPi Adventure, the ninja-in-training Wal is an admirer of Koga.
  • Koga makes a short cameo appearance in a chapter of the Electric Tale of Pikachu manga.
  • Out of the original Generation I Gym Leaders, Koga has the fewest Trainer cards in the Gym Leader sets of the TCG. Incidentally, his only Trainer card besides the basic Koga card had to be edited because it featured a manji, which could have caused controversy between cultures; the infamous Nazi swastika is a reversed manji.
  • Because he became a member of the Elite Four in Generation II, he is technically the first member of the Elite Four seen in the anime, though he was not a member at the time he was shown. He is also the only one Ash defeated in battle (again, however, it was as a Gym Leader).
  • In Pokémon Diamond and Pearl, the Ninja Boy on Route 217 mentions different kinds of ninja in the world. He says, "There are several kinds of ninjas. Are you an Iga or a Kouga ninja?" This is a reference to the two main schools of ninjutsu, Iga-ryu and Kōga-ryu, the latter of which Koga himself is named after.
  • Koga's Pokémon Yellow team is of a higher level than his Elite Four team in Gold, Silver, and Crystal.
  • Koga, Bruno, and Lance are the only members of the Elite Four who have appeared in all four generations.


Language Name Reference to
Japanese キョウ Kyō The on-yomi of the kanji for "apricot" (杏). This kanji's kum-yomi is anzu.
English, French, German, Italian, Spanish Koga From 甲賀流 Kōga-ryū, a school of ninjutsu.
Korean 독수 Doksu Means poison fang which refers to his speciality in Poison type.
Chinese (Taiwan and Mainland) 阿桔 Ā Jié
Chinese (Hong Kong) 阿梗 Ā Gěng 梗 has the on-yomi kyō in Japanese.

External links

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.