The personalities of the Upper Moons in Demon Slayer are as diverse as their individual powers. Kokushibo is stoic and reserved, while Akaza is hot-headed and aggressive. Hantengu is cunning and manipulative, splitting into three personalities. Gyutaro is driven by greed, and Daki is obsessed with beauty. Gyokko is proud of his artistic abilities, and Doma is characterized by gluttony Muzan Kibutsuji, the king of demons in Demon Slayer, is a cold-hearted ruthless and incredibly intelligent being