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Koichi Yamadera (born June 17, 1961) is a Japanese voice actor who is affiliated with Across Entertainment. He is known for his roles as Spike Spiegel from Cowboy Bebop, Beerus from Dragon Ball, and Donald Duck.

For Nintendo, he voiced Mew in all games in the Super Smash Bros. series. He also appeared in every Pokémon movie to date and also appeared in Pokémon the Series.

Yamadera was previously married to Mika Kanai (1993-2006) and Rie Tanaka (2012-2018), who also had contributions with the company and Pokémon.

Credited Nintendo Roles[]

Year Title Role
1997-present Pokémon the Series and movies Mew, Lugia, Marshadow, Zeraora, various characters and Pokémon
1998 The Birth of Mewtwo Mew
1999 Donkey Kong Country Donkey Kong (Japanese dub)
1999-present Super Smash Bros. series Mew, Genesect, Marshadow
2002-present Kingdom Hearts Donald Duck, Beast
2007 Mario Kart Arcade GP 2 Commentator (JP)
2007 Pokémon Mystery Dungeon: Explorers of Sky - Beyond Time & Darkness Narrator
2018 Dragalia Lost Midgardsormr
2020 Sonic the Hedgehog movies Dr. Eggman (Japanese dub)
2023 Detective Pikachu Returns Detective Pikachu

External links[]

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