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