Yoriichi is extremely stoic man of peace and reverence, his emotions don't show, extremely intelligent. he's also a tall man with a lean muscular build, fair skin, maroon eyes, and long spiky hair with red tips that he kept in a ponytail. He wears a red haori with black hakama pants over an orange kimono and a black Nichirin katana. He's 30 years old. he's the first Demon slayer/Hashira that created 13 sun styles. he's a Sun hashira.