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