His hobby is eating. He dislikes nothing in particular (he doesn't care about anything other than himself). In the official fan book Q&A with Gege Akutami, the author stated Sukuna's fingers taste like soap. Sukuna was a curse user, but Gege thinks he is something closely similar to a...
In terms of where the story of JuJutsu Kaisen is in the anime, we don’t know too much about the back story of Sukuna. The most information that we’re given about him comes from the interrogation that good old Gojo conducts on Itadori after they subdue him post eating the finger. Gojo...