This is the villan i made up.

Name: Natsu Kin
Age: 22
Birthday: April 1
Gender: Male
Species: Demon
Hair Colour: depends on mood usually black though
Hair Length and Style: Medium length kind of flat
Eye Colour: Gold
Skin Colour: pale
Personality: Dark, funny, convincing, sneaky
Likes: people, sleeping, winning
Dislikes: fallen angels, losing
Clothes: black clothes
Background: He used to be best friends with Haru and a human. At the same night Haru became a fallen angel a witch changed him into a demon and since then has been under her control.
Anything else: He might be a demon but he still has his human from. He has triple the strength then when he was human. But he doesn’t have the biceps to prove it.