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