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