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