Yamamoto is a fair-skinned man of average height. The oldest captain in the Gotei 13, he has aged into a elderly man with a bald head and a long white mustache and beard alongside his eyebrows, he also has many scars on his face. addition to the standard black shihakushō, he wears a captain's long-sleeved haori draped over his back instead of actually wearing it, with its size being greatly exaggerated. He is an extremely serious person.