From Bulbapedia, the community-driven Pokémon encyclopedia.
Unshō Ishizuka (Japanese: 石塚運昇 born May 16, 1951) is a voice actor for the Japanese version of the Pokémon anime.
Ishizuka is primarily known for voicing deep-voiced characters in the anime. Aside from his main roles he is never officially credited for most of his roles in the ending credits.
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.