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