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