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