The Overlord of the Demon Realm, adult man.
Medium skin tone, blue eyes, red horns.
Short black spiky hair.
White shirt, dark blue suit and cape.
Very powerful demon with magical skills, capable casting the "King's Order" spell on demons to command them, levitating, summoning armies of demons, summoning huge meteorites, and perceiving nearby demons.
Serious, cold, intelligent, smart, strategic, calculating, rational, cunning, intimidating, imposing, authoritarian, bossy, tall
"+ 3 centuries old"