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Professor Oak
オーキド ユキナリ博士 Dr. Yukinari Okido
File:Professor Oak.png
Age: 55-60
Hometown: Pallet Town
Region: Kanto
Advanced Information
Game(s): Red, Blue and Yellow

Gold, Silver and Crystal
FireRed and LeafGreen Diamond, Pearl and Platinum HeartGold and SoulSilver

Relative(s): Blue Oak

Daisy Oak Gary Oak

Friend(s): Professor Elm Professor Juniper
Debut: I
Other Generation(s): II,III,IV
Voice actor: Stan Hart (Seasons 1-8)
Class: Professor

Professor Samuel Oak (Japanese: オーキド ユキナリ博士 Dr. Yukinari Okido) is a Pokémon Professor who resides in Pallet Town.

In Games

In the game Pokémon FireRed and LeafGreen and in the game Pokémon Red and Blue, Professor Oak lives in Pallet Town and he is absent from his lab until you try to leave town, when he runs up to you and makes you come with him. He then lets you choose a Starter Pokémon. If you go to the mart, the store clerk will give you Oak's Parcel. The Parcel contains a prototype Poké Ball, bring it back to Oak and he will give a Pokédex to you along with 5 Poké Balls. He sends you on your journey and all throughout he helps you by sending his aides out to give you items if you capture the right amount of Pokémon. In Pokémon FireRed and LeafGreen, he helps you when your rival challenges you for the first time.

Professor Oak in Pokémon Heartgold and Soulsilver.

In Pokémon Yellow, when the player steps into the grass they will encounter a Pikachu, which Oak captures and gives to you after your rival takes the Eevee that was intended for the player.

In Pokémon Diamond and Pearl, after you see each Pokémon in your Sinnoh Pokédex, Professor Oak will come and hand you the National Pokédex. He resides in the most southerly house in Eterna.

In Pokémon HeartGold and SoulSilver after beating the Elite 4 for the first time you will be able to recieve the National Dex from him. Also after defeating all of the Johto and Kanto gym leaders he will give the trainer the HM08 Rockclimb.

In-game Pokémon

  • 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 it's final form. It was cut from the game and it can only be accessed through glitches.

In the Pokémon Adventures Manga

In the Manga

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.

In Anime

Professor Oak.

In Best Wishes

In the anime, Oak is most notable for his vast research facility, where he cares for and studies hundreds of Pokémon, including those owned by, but not currently traveling with, Trainers from Pallet Town. He has confidence in his grandson, Gary Oak, but more often joins Ash's mother and friends in cheering on Ash in his competitions.

In the novelizations written by Takeshi Shudō, Professor Oak comes from a prestigious family. He has two brothers, one is the mayor of Pallet Town and the other is the Post Master, and his grandfather was the first Trainer from Pallet Town to receive widespread recognition. According to Professor Elm, Professor Oak's studies and research mostly focus on how humans and Pokémon interact with each other.

He appears as a young boy, Sam (Japanese: ユキナリ Yukinari) in the fourth film, Celebi: Voice of the Forest. Ash befriends the young Oak, who, due to traveling from 40 years in the past, is around the same age as him. The revelation that Sam is Oak, while able to be speculated because Oak's first name was revealed in the second movie, The Power of One, comes only at the end of the movie, when Oak knows that Ash's friend's name was Sam despite Ash never telling him so, and Tracey finding the sketchbook in which young Sam drew Pikachu sleeping with Celebi in Oak's closet.

Oak lives up the road from Ash's mother and the two often appear together as they are very good friends. He currently lives with Tracey Sketchit, who became his loyal assistant in The Rivalry Revival. Tracey and Prof. Oak are very passionate about studying Pokémon and are both artists.

the Younger self

In the movie, Sam saw many Generation II Pokémon, notably the legendary Pokémon Celebi and Suicune, though his Pokédex only catalogs the Generation I Pokémon, claiming that they are all the Pokémon that the world knows, in the Kanto arc. This discrepancy is likely due to the retcon that occurred when the 100 new Pokémon were introduced to the series, and due to the ever-increasing number of Pokémon, with Pokémon from Generation II, Generation III, and Generation IV being able to be trained in Kanto during FireRed and LeafGreen and HeartGold and SoulSilver, this is likely the reason that the number of them as of the current generation of games is no longer mentioned in the anime.


On hand

Dragonite twister.png
Dragonite is the powerhouse of Oak's. When invited to see Mirage Pokémon come to life, Oak decided to take Dragonite just in case problems arose. Problems did arise however when Professor Yung made a mirage Mewtwo that started to attack others. Dragonite was among the Pokémon who were used to try and stop it, to no avail.

Oak's Pidgey.png
Professor Oak used Pidgey when there was a contest between him and an imposter, who was actually James, on who is the real Professor Oak. Using Pidgey to attack Team Rocket, Oak muses that it's not the size of the Pokémon that determines its strength and Pidgey was the perfect example of this.

Professor Oak Rotom.png
Rotom was first seen and captured by Professor Oak in To Catch a Rotom!. Professor Oak came to Torom Island to capture a Rotom for his reasearch paper he was writing about Pokémon and their different forms. The island is known for having a lot of Rotom and Ash, Iris, and Cilan volunteered to help him catch one. They went to a "playground" for Rotom and three of them appeared. Professor Oak's first attempt at catching Rotom failed, but after he and the rest of the gang helped save him from Team Rocket, he was able to successfully capture it as the Rotom wished to join him. Rotom's known moves are Thunderbolt and Leaf Blade*.

Status Unknown

Oak's Charmeleon.png
When he traveled through time, Charmeleon was one of the Pokémon that Sammy used to try and defend Celebi from The Iron Masked Marauder. Charmeleon is a powerful Pokémon that can hold its own in battle. It's current status 40 years later is unknown.

Cares For

Pokémon that Professor Oak cares for at his lab are the following

In Manga

On Hand

Pokemon Information Moveset:


Spearow first appeared in Chapter 39 "Just a Spearow Carrier". Spearow is the pokemon he prefers to use in pokemon battles.




Fury Attack

Mirror Move


Dodrio first appeared in Chapter 39 "Just a Spearow Carrier".




Pidgeot first appeared in Chapter 39 "Just a Spearow Carrier". He uses Pidgeot to send messages.





Ledyba first appeared in Chapter 94 "Elekid Incorporated". Ledyba is one of the 2 pokemon he prefers to use in conducting field work. He usually has it carry his briefcase.






Stanler first appeared in Chapter 94 "Elekid Incorporated". Stanler is one of the 2 pokemon he prefers to use in conducting field work. He is usually riding on it's back.



Confuse Ray

Take Down


Pokemon Information Move Set


Kangaskhan first appeared in a flashback in Chapter 76 "Take a Chance on Chancey". He used it when he challenged the Pokemon League in his younger days. It is unknown if he still has it now.



Mega Punch

Dizzy Punch


Chansey first appeared in a flashback in Chapter 76 "Take a Chance on Chancey". He used it when he challenged the Pokemon League in his younger days. It is unknown if he still has it now.




Voice Actors

  • Stan Hart (Seasons 1-8)
  • Tara Sands (Young, Pokémon 4ever)
  • Jimmy Zoppi (Season 9 onward)
  • Italian: Riccardo Rovatti; Flavio Aquilone (Young, Pokémon 4ever)