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