Do you want to compare Callisto with Doctor Nemesis? Discover the powers, weakness & weapons of Callisto and Doctor Nemesis from Callisto Biography and Doctor Nemesis Biography. Find out all about Callisto and Doctor Nemesis.# Check out how is Callisto unique and distinct from Doctor Nemesis. Discover their love interest, sidekicks, family tree and the movies and games list in which Callisto and Doctor Nemesis have appeared. Find out everything about them here!