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