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