•Main antagonist from jujutsu kaisen
•Unregistered special grade cursed spirit ,working with pseuso-geto
•Has a group that consist of : Jugo, hanami, dagon.there goal is to erase all humans and only have cursed spirits take over 
•he's an immature saddest and mostly compared to gojo satoru
•Hes loves toying with humans 
•He was born from human hatred 
•He doesn't feel sympathy ,he's doesn't value his life ,he is calm and playful 
•He wants a world were sukuna takes over 