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