From Bulbapedia, the community-driven Pokémon encyclopedia.
Mitsuru Ogata (Japanese: 小形満 Ogata Mitsuru) is a Japanese seiyū for the Pokémon anime.
Ogata has provided a few minor/additional voices for Pokémon since the original series. His most prominent role is that of all Growlithe in the anime.
Voices on Pokémon