“ Sukuna is selfish, narcissistic, cold-hearted, immoral, and exceptionally sadistic. ” “ stating he would kill Satoru Gojo to his face. However, these brutish traits are not to be confused for stupidity. Sukuna is highly intelligent and manipulative ” " Physically, his mother is the goddess of the sun. Athena Kamiyama, but his sister is Kimi Kamiyama so he has three nephews he didn't even know about. But he knows that one is named Keojuro ”