From Bulbapedia, the community-driven Pokémon encyclopedia.
Masaki Aizawa (相沢まさき Aizawa Masaki) is a Japanese seiyū for the Pokémon anime.
Aizawa was born on January 19, 1965 in Hokkaido, Japan. He began to provide voices for Pokémon near the end of the original series, where his first role was Professor Telesu. His most prominent roles are two villainous team leaders: Archie, the leader of Team Aqua from the Advanced Generation series; and Ghetsis, the leader of Team Plasma from the Best Wishes! series. Later, in the Sun & Moon series, he played one of the four Island Kahunas, Nanu. Aizawa is currently affiliated with OFFICE OSAWA.
Other non-Pokémon roles