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