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