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