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