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