![](https://cdn.animecharacters.io/images/characters/large/16125-f1d5f3e5.jpg)
Yukinari Ookido (オーキド・ユキナリ)
Yukinari Ookido (Professor Samuel Oak in the English and Italian version, Professeur Chen in the French version and Professor Carvalho in the Brazilian version), is a Pokémon researcher, and generally considered the best of his kind. As such, his role in the Pokémon games and anime is that of a mentor to young Pokémon Trainers, a source of information and an occasional plot device. Amongst other things, he is credited with inventing the Pokédex. Although he is an expert on all matters relating to Pokémon, Professor Oak specializes in Pokémon behavioural science.
Animeography
![](https://cdn.animecharacters.io/images/anime/large/495-974a3af2.jpg)
Pokemon
![](https://cdn.animecharacters.io/images/anime/large/1017-1fd9dfa2.jpg)
Pokemon Movie 02: Maboroshi no Pokemon Lugia Bakutan
![](https://cdn.animecharacters.io/images/anime/large/1018-2d8b25df.jpg)
Pokemon Movie 03: Kesshoutou no Teiou Entei
![](https://cdn.animecharacters.io/images/anime/large/1019-2071ec41.jpg)
Pokemon Movie 04: Celebi Toki wo Koeta Deai
![](https://cdn.animecharacters.io/images/anime/large/1386-33fe4154.jpg)
Pokemon: Senritsu no Mirage Pokemon
![](https://cdn.animecharacters.io/images/anime/large/1421-279a2dee.jpg)
Pokemon Advanced Generation
![](https://cdn.animecharacters.io/images/anime/large/1422-d52d52c6.jpg)
Pokemon Diamond & Pearl
![](https://cdn.animecharacters.io/images/anime/large/2163-bc7fe941.jpg)
Pokemon Housoukyoku
![](https://cdn.animecharacters.io/images/anime/large/5627-de6164ab.jpg)
Pokemon Best Wishes!
![](https://cdn.animecharacters.io/images/anime/large/6136-da1f6696.jpg)
Pocket Monsters: Diamond & Pearl Specials
![](https://cdn.animecharacters.io/images/anime/large/6461-6aa0f0d4.jpg)
Pokemon Introductory Recap
![](https://cdn.animecharacters.io/images/anime/large/7570-13c0a77f.jpg)
Pokemon Best Wishes! Season 2: Episode N
![](https://cdn.animecharacters.io/images/anime/large/7742-dbbe05ee.jpg)
Pokemon Best Wishes! Season 2: Decolora Adventure
![](https://cdn.animecharacters.io/images/anime/large/7985-c99e726f.jpg)
Pokemon: Mewtwo - Kakusei e no Prologue
![](https://cdn.animecharacters.io/images/anime/large/8033-32f6dc4e.jpg)
Pokemon XY
![](https://cdn.animecharacters.io/images/anime/large/8218-12c0f828.jpg)
Pokemon: The Origin
![](https://cdn.animecharacters.io/images/anime/large/8301-d61fb98c.jpg)
Pokemon Best Wishes! Season 2: Decolora Adventure - Dent to Takeshi! Gyarados no Gekirin!!
![](https://cdn.animecharacters.io/images/anime/large/8484-c94b163b.jpg)
Pokemon XY SP: Road to Kalos
![](https://cdn.animecharacters.io/images/anime/large/8863-91b6cd38.jpg)
Pokemon Best Wishes! Season 2: Decolora Adventure - Iris vs. Ibuki! Dragon Master e no Michi!!
![](https://cdn.animecharacters.io/images/anime/large/10969-10e5dd1a.jpg)
Pokemon XY&Z
![](https://cdn.animecharacters.io/images/anime/large/11047-66ee894f.jpg)
TV-ban Pokemon Special Masara Town-hen Recaps
![](https://cdn.animecharacters.io/images/anime/large/12158-4cd441ff.jpg)
Pokemon Sun & Moon
![](https://cdn.animecharacters.io/images/anime/large/12414-bdd0ee9c.jpg)
Pokemon Movie 20: Kimi ni Kimeta!
![](https://cdn.animecharacters.io/images/anime/large/14436-e57f3c6f.jpg)
Pokemon: Aki no Special
![](https://cdn.animecharacters.io/images/anime/large/15885-382bbe17.jpg)
Pokemon Masters: Trainers Great Gathering Special Animation
![](https://cdn.animecharacters.io/images/anime/large/15995-7cdc9fa5.jpg)
Pokemon (2019)
![](https://cdn.animecharacters.io/images/anime/large/16838-39171180.jpg)
Pokemon Diamond & Pearl Atsumare! Pokemon Planet Center
![](https://cdn.animecharacters.io/images/anime/large/16840-da270d3f.jpg)
Pokemon Best Wishes! Hikari to Kage no Tenkyuugi
![](https://cdn.animecharacters.io/images/anime/large/21440-d7bca9c1.jpg)
Pokemon Evolutions
![](https://cdn.animecharacters.io/images/anime/large/23639-dbe8bd61.jpg)
Pokemon: Mezase Pokemon Master
Mangaography
![](https://cdn.animecharacters.io/images/manga/large/860-f442b9ef.jpg)
Pocket Monsters Special
![](https://cdn.animecharacters.io/images/manga/large/5413-8e1be314.jpg)
Pokémon Pocket Monsters
![](https://cdn.animecharacters.io/images/manga/large/9212-1877b867.jpg)
Pocket Monsters Zensho
![](https://cdn.animecharacters.io/images/manga/large/11056-1286774e.jpg)
Pocket Monsters Kin Gin: Golden Boys
![](https://cdn.animecharacters.io/images/manga/large/11674-48b47fc1.jpg)
Pokemon Card ni Natta Wake
![](https://cdn.animecharacters.io/images/manga/large/14254-761da1d0.jpg)
Pokémon HGSS
![](https://cdn.animecharacters.io/images/manga/large/14255-72897dd8.jpg)
Satoshi to Pikachu
![](https://cdn.animecharacters.io/images/manga/large/15160-07f26da7.jpg)
Gekijouban Pocket Monsters: Kesshoutou no Teiou Entei
![](https://cdn.animecharacters.io/images/manga/large/15161-5fabf32b.jpg)
Gekijouban Pocket Monsters: Celebi - Toki wo Koeta Deai
![](https://cdn.animecharacters.io/images/manga/large/47164-9bc8c669.jpg)
Gekijouban Pocket Monsters: Kimi ni Kimeta!
![](https://cdn.animecharacters.io/images/manga/large/47165-f5e87825.jpg)
Gekijouban Pocket Monsters: Kimi ni Kimeta! Remix
![](https://cdn.animecharacters.io/images/manga/large/51219-ab2bceba.jpg)
Pocket Monsters: Satoshi to Gou no Monogatari!
Voice Actors
Kenyuu Horiuchi
Japanese
Kyle Hebert
English
Unshou Ishizuka
Japanese
Katsuji Mori
Japanese
Tara Sands
English
Mario Scarabelli
Italian
Keiko Toda
Japanese
Keiichi Sonobe
Japanese
James Carter Cathcart
English
Rodrigo Andreatto
Portuguese (BR)
Keith Silverstein
English
Riccardo Rovatti
Italian
Flavio Aquilone
Italian
Ákos Kőszegi
Hungarian
Gábor Vass
Hungarian
Wellington Lima
Portuguese (BR)
Walter von Hauff
German
Manfred Trilling
German
Thomas Schmuckert
German
Yafa Gabay
Hebrew
Gwang Jang
Korean
Yehoyahin Friedlander
Hebrew
Stuart Zagnit
English
José Padilla
Spanish
Jean-Marc Delhausse
French
Arturo Castañeda
Spanish
Catherine Desplaces
French
Marwan Farhat
Hebrew
Carlos Seidl
Portuguese (BR)
Paolo Sesana
Italian
Federico Danti
Italian
Eudes Carvalho
Portuguese (BR)
Júlio Chaves
Portuguese (BR)
Hans-Rainer Müller
German
Hélio Ribeiro
Portuguese (BR)
Roberto Encinas
Spanish
Dráusio de Oliveira
Portuguese (BR)
Ricardo Rossatto
Portuguese (BR)
Georges Caudron
French
Robert Guilmard
French
Hugolin Chevrette
French
Hugo Navarrete Arroyo
Spanish