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