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