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