Sul-Van was a member of the Science Council on Superman's home planet Krypton. Sul-Van is also the father of Lara Lor-Van and the maternal grandfather of Superman. Sul-Van is also the great grandfather of Van-El but only in an alternate timeline. Sul-Van, along with everyone else, perished in the destruction of Krypton. He appears in the Superman The Animated Series episode The Last Son of Krypton Part 1. Sul-Van is probably based off of the comics character Sul-El.