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