| Professor Samuel Oak|
(オーキド ユキナリ博士 Dr. Yukinari Okido)
|Game(s):||Red, Blue and Yellow|
|Friend(s):||Professor Elm Professor Juniper|
|Voice actor:|| Stan Hart (Seasons 1-8)|
Jimmy Zoppi (Season 9-present)
Tara Sands (young, Pokemon 4ever)
- Red, Blue, Green & Yellow
- FireRed & LeafGreen
In FireRed and Leafgreen, his role is similar to that of it's originals.
- Diamond, Pearl & Platinum
- HeartGold & SoulSilver
In HeartGold and SoulSilver after beating the Elite 4 for the first time you will be able to receive the National Dex from him. Also after defeating all of the Johto and Kanto gym leaders he will give the trainer the HM08 Rockclimb.
- Main article: Professor Oak (Adventures)
Just like in the games, he is highly regarded and known, he is the person who gives Pokédexes to the Pokédex Holders. His grandson is Blue. In Pokémon Electric Tale of Pikachu, his Charmeleon, named Char, evolved into Charizard.
- Main article: Professor Oak (anime)
|Sprite from Gen. I||
||Sprite from Y||
||Sprite from Gen. II||
||Sprite from Gen. III||
||Sprite from Gen. IV|
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- Pikachu - (In Pokémon Yellow, he is briefly shown catching the player's starter, Pikachu, however he later gives it to the player.
- At Pokémon Yellow, Professor Oak was going to be a person that would battle you after you beat the champion. He would have a Tauros, Exeggutor, Gyarados, Arcanine and the starter that opposes your starter Pokémon at its final form. It was cut from the game and it can only be accessed through hacking or glitches.