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