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