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