Tatsuya Kimura

Tatsuya Kimura is one of the senior boxers at Kamogawa Gym, a smooth-talking featherweight with an eye for women and a swagger that fills any room he walks into. He teases the shy, awkward Ippo Makunouchi mercilessly, but underneath the vanity is a genuine boxing talent chasing his own shot at a title.

Kimura works because the show refuses to let his cockiness be shallow: every boast is backed by real technical skill, sharp footwork and ring smarts that make him fun to watch fight. Keiji Fujiwara plays him with an easy, needling charm, so his teasing of Ippo reads as affection rather than cruelty, and his ambition never feels like empty talk.