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