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