Yutaka Hirose

Hirose worked as an in-between animator on Dragon Ball episode 4, contributing to the foundational animation work that bridges keyframe drawings and creates smooth motion sequences. In-between animators are essential to the fluidity of movement in anime; their technical work translates the vision of keyframe animators into watchable footage. Hirose's work on the series' early episodes helped establish the animation quality that would characterize Dragon Ball.

Beyond his Dragon Ball work, Hirose contributed in-between animation to other television anime including Touch and Gegege no Kitarō. He also worked on the Dr. Slump & Arale-chan film Hoyoyo! The City of Dreams, Mechapolis. In-between animation represents one of the most labor-intensive aspects of anime production, requiring precision and consistency across hundreds of drawings.