Alias
Mass Carnage,[citation needed], Carnage-Man, Your Friendly Neighborhood Carnage, Amazing Carnage
  
JJ, JJJ, Jolly Jonah, Jameson J. Jonah, Jackal, Jolly Jameson, Jiggsaw Jameson, Flat-Top, Buzz Head Prune, Face Pinkle, Puss Mayor Jameson