From Bulbapedia, the community-driven Pokémon encyclopedia.
Kōichi Yamadera (Japanese: 山寺宏一 Yamadera Kōichi) is a Japanese voice actor who provides the voices of main or semi-main characters in the Pokémon movies.
Kōichi Yamadera was born on June 17, 1961, in Miyagi, Japan. In 1994, he was married to fellow voice actor かないみか Mika Kanai, who also provides voices on Pokémon; the two were divorced in 2006. On June 17, 2012, he married another fellow voice actor, Rie Tanaka.
In addition to being a popular voice actor, Yamadera also hosts a children's series, Oha Suta, and he has had several live-action roles, including some in recent Godzilla movies. He also provides dub voices for various Walt Disney roles, such as Donald Duck, Genie, Beast, and Stitch.
While Yamadera has only had one role in the Pokémon anime, he has held a main or supporting role in each of the movies.
Voices on Pokémon
Famous non-Pokémon roles
Note: In the case of dubbing roles, the name of the character and TV show/movie/franchise are followed by the original English actor's name in parentheses.
In anime and video games
In dubbed productions