A mysterious and unpredictable character who serves as the head of the Mystical Ministry. They affectionately refer Gremory as "Sister Greemory" after being taken in by her. Has an unwavering love for causing trouble. They are incredibly cunning and sarcastic, enjoying teasing others whenever possible. They often discuss the concept of endless death, seemingly fascinated by it. However, they protect their close ones, even if they are few in number. There are various theories about their past.