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