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