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