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