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