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