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