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