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