Alias
The Prince of Puzzlers, Edward E. Nygma, Mr. E.Nigma, The Crown, Prince of Conundrums & Wizard of Quiz
  
JJ, JJJ, Jolly Jonah, Jameson J. Jonah, Jackal, Jolly Jameson, Jiggsaw Jameson, Flat-Top, Buzz Head Prune, Face Pinkle, Puss Mayor Jameson