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