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