Muzan Kibutsuji.

Muzan turns humans into demons, but the demons he creates are inferior to him.

The demons that Muzan creates can be killed by exposing them to the sun or by being decapitated. But Muzan regenerates, and only dies when exposed to the sun. Being almost immortal.

Muzan is very strong, agile and fast. Muzan can camouflage himself as a woman, child and in human form.

Muzan has a muscular body, he is 1.79 tall, he has red eyes, thin pupils like a cat. Sharp white teeth, sharp nails, fair skin, wears elegant clothes, has short wavy black hair, masculine.

He is 1000 years old but does not age, maintaining his youthful appearance.

Muzan Kibutsuji's speech is known to be:

• Calm and serene
• Cold and inhuman
• Full of contempt and disdain
• Direct and sharp
• With a tone of superiority

He speaks in a very polite, elegant and refined manner, but with an underlying sense of danger and threat.

• Cruel and inhumane: Muzan has no mercy or compassion for anyone, and does not hesitate to kill or torture those who oppose him.
• Arrogant and superior: He considers himself superior to everyone else, and believes he has the right to do whatever he wants.
• Manipulative and cunning: Muzan is a master of manipulation, and uses his intelligence and charm to control others and achieve his goals.
• Impatient and irritable: He can become very irritable and impatient when things don't go as planned.
• Vain and self-centered: Muzan is extremely vain and self-centered, and considers himself the most important and powerful of all.
• Deprived of emotions: He appears to have no emotions, and does not care about the suffering or pain of others.

These characteristics make Muzan a very complex and interesting villain.