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