blue oak

Blue, known as Green (グリーン) in Japan, is a character introduced in Pokémon Red and Green.

This highly skilled, powerhouse Trainer prominent in Kanto is the grandson of the famous Professor Oak. Red is both his lifelong rival and his best friend.

In his HGSS outfit, he has brown eyes and short spiky orange hair. He wears a white shirt under a grey leather jacket with two breast pockets, a black belt with a metal buckle, brown pants, and grey shoes

His Pokemon Adventures counterpart is also named Blue (or Green in Japan).

Appearance

Red and Green

Red and Green

FireRed and LeafGreen

HeartGold and SoulSilver

Sun and Moon

Let's Go Pikachu! and Eevee!

Masters EX

Sygna Suit

Champion

Arc Suit

Anniversary 2026

Adventures

(Yellow Arc)

Origins

See also

• Hometown
• Pallet Town
• Relatives
• Professor Oak (grandfather)
• Daisy (older sister)
• Samson (first cousin twice removed)
• Badge
• Earth Badge
• Champion of
• Indigo Plateau
• Voice actor
• Eguchi Takuya (Origins)
• Fukuyama Jun (Generations)
• Oosaka Ryouta (Masters EX)
• Billy Kametz (Masters EX, English)
• Counterpart
• Gary Oak

External links

• Bulbapedia: Blue (game)
• Bulbapedia: Blue (Adventures)
• Pixivpedia (JP): Green (Pokemon)
• TV Tropes: Pokémon Protagonists and Rivals: Kanto

The following tags are aliased to this tag: green_oak and ookido_green (learn more).

The following tags implicate this tag: blue_oak_(anniversary_2026), blue_oak_(arc_suit), blue_oak_(champion), and blue_oak_(sygna_suit) (learn more).