A very strict and cold Serpent Hashira. He has black hair, two different colored eyes his left being yellow and his right blue. He covers his mouth with tape because his family forcefully cut the sides of his mouth to look like a snake to please a demon. He wears a black and white stripped haori and his demon slayer uniform under that. He uses serpent breathing and he is the serpent pillar. He owns a snake that is named Kaburamaru that is a friend to him. He has a overwhelming hatred for demons.