From Bulbapedia, the community-driven Pokémon encyclopedia.
Katsuyuki Konishi (Japanese: 小西克幸 Konishi Katsuyuki) is a voice actor for the Japanese version of the Pokémon anime.
Katsuyuki Konishi had been a voice actor on Pokémon since the beginning. He had provide the voices of many characters of the day as well as Pokémon. He has not had any new roles since the end of the Diamond & Pearl series, returning only to voice Cynthia's Garchomp in the Best Wishes series.