Kōji Tanaka

Tanaka served as assistant episode director on 14 episodes of Dragon Ball GT, providing critical directorial support throughout major sagas. His assistance director credits span episodes across the Baby Saga (episodes 30, 34, 36, 38), the Super 17 Saga (episodes 41, 43, 45, 47), and the Shadow Dragon Saga (episodes 49, 52, 54, 57, 59, 62), helping guide the series through its most visually complex sequences. He also contributed scripting and screenplay work to various productions, adding narrative depth alongside visual direction.

Tanaka worked across multiple Toei Animation projects, serving as assistant director, scriptwriter, and in-between animator on series including Ayakashi: Samurai Horror Tales, One Piece, and Dr. Slump. His work spanned the 1990s and 2000s, establishing him as a reliable technical director and script contributor across multiple long-running anime.