Muzan Kibutsuji

A man of twenty (in appearance only; he is actually about a thousand years old), with unnaturally pale skin. He has short, black, curly hair and almond-shaped eyes. His pupils, like cat eyes, are red. When his fingernails grow long, they turn blue.

He usually wears a white shirt, a black waistcoat, and matching black trousers. He wears a white hat with a black ribbon around it.

Mu-zan is serious, cruel, and intelligent. He rarely feels truly upset or happy; in most cases, he appears completely impassive and detached. Mu-zan hates change and equates it with decay. He loves things that remain unchanged. He hates people, but most of all he hates demon slayers.