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