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