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