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