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