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