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