Kōichi Hashimoto(橋本 晃一Hashimoto Kōichi), real name Yōichi Mitsuhashi(三橋 洋一Mitsuhashi Yōichi), is a seiyū born January 12, 1953 in Chiba Prefecture, Japan. He is currently a free agent, not attached to any talent management firm, though he has in the past been attached to Arts Vision, Aksent, Ken Production, and Art 7. He is known for his unusual trembling and cold voice.[citation needed]