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