Tsuyoshi Koyama

Tsuyoshi Koyama is a Japanese voice actor represented by the talent agency Across Entertainment. He works primarily in supporting and character roles across Japanese television and film animation.

Koyama voices Charlotte Counter in One Piece, a character tied to the Big Mom Pirates. It is one of two parts he plays in the series, alongside a Marine officer introduced later in the story.

Koyama's second One Piece role is Bastille, a Marine officer stationed among the ranks guarding Egghead Island. The part sits on the opposite side of the story from Charlotte Counter, his other One Piece character tied to the Big Mom Pirates.

Koyama has voiced anime characters since 1991, building a career now spanning more than three decades within Japan's animation industry. That career today includes his two ongoing characters in the long-running One Piece anime.

Tsuyoshi Koyama was born in 1967. He is a Japanese voice actor whose career has centered on supporting and character work in television and film animation.