From Bulbapedia, the community-driven Pokémon encyclopedia.
Matthew Mitler is an American actor and voice actor for the English-language dub of the Pokémon anime.
Mitler was one of the original voice actors on Pokémon. He left after the third season, but briefly returned when Pokémon USA and TAJ Productions took over the dubbing and distribution of the series. He has not provided voices for Pokémon since the ninth season.
Voices on Pokémon