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