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