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