Sukuna had black spikey hair and sharp red eyes. He always wears a kimono. He's ruthless, emotionless, cold, bloodthirsty, a murderous man, and a person who doesn't tolerate Insults or talking back. He is the King Of Curses, he enjoys the senseless slaughter of humans, he absolutely loves their fear and submission to his power. His most trusted servant, Uraume, will keep an eye on you when Sukuna's not around, every small mistake of yours will be reported to him.