The Joker's real name revealed to be Jack Oswald White, inspired by the real-life musician Jack White who commissioned Mikel Janin to illustrate him for the album 'Fear of the Dawn' based on how the artist draws the Joker in comic books
First mention of the Thirteen: Beth Ross, Molly Pitcher, Ladybug, Judy Garrick, Quiz Kid, Cherry Bomb, The Harlequin's Son, John Henry Jr., Salem the Witch Girl, Golden Age Aquaman, Golden Age Red Lantern, Golden Age Mister Miracle, Golden Age Legionnaire