From Bulbapedia, the community-driven Pokémon encyclopedia.
Takehito Koyasu (子安武人 Koyasu Takehito) is a Japanese seiyū for the Pokémon anime. His most prominent role was Butch of Team Rocket. He was born on May 5, 1967 in Yokohama, Kanagawa, Japan.
Other non-Pokémon roles
Original Animation Video