Character
Frau Netz (First Appearance), Gardener (First Appearance), Mary Grayson (Flashback), Also As George Cross, Killer Croc (Waylon Jones) (Flashback), Aquaman (Arthur Curry) (Cameo), Midnighter (Lucas Trent), Batman (Bruce Wayne), Agent 8 (Alia) (Death), Ninel Dubov, Parademons (Villains), Two-Face (Harvey Dent) (Flashback), Agent 1 (Tiger), Batman (Bruce Wayne) (Flashback), Matron (Helena Bertinelli), Agent 24 The Hood, The Old Gun (Christopher Tanner) (Villain), Dr. Poppy Ashemoore (First Appearance), Midnighter Lucas Trent, Also As Nightwing (Flashback), Starfire (Koriand'r) (Flashback), Joker (Flashback, Villain), Crime Syndicate Ultraman, Apollo (Andrew Pulaski), Alfred Pennyworth (Flashback), Maksim, Icicle (Cameron Mahkent) (Flashback), Mary Grayson, Janni, The Old Gun (Christopher Tanner), Also As Matches Malone, Power Ring, Barton Tare (Villain, Death), Spyral Agent 37 (Dick Grayson), Superwoman, Flamingo (Eduardo Flamingo) (Flashback), Also As Black Oak, Kgbeast Anatoli Knyazev, Spyral Agent 37 Dick Grayson, Lotti Duff, Joker (Flashback), Alfred Pennyworth, Agent 37 (Dick Grayson), Trickster (Axel Walker) (Flashback), John Grayson (Flashback), Also As Birdwatcher, Cycles of Violence (Villains), Frau Netz, Also As the Beast (Villain), Robin (Damian Wayne) (Flashback), Ra's Al Ghul (Flashback), Catwoman (Selina Kyle) (Flashback), John Grayson, Arsenal (Roy Harper) (Flashback), Mr. Minos, Penguin (Oswald Cobblepot) (Flashback, Villain), Also As Nightwing, Riddler (Edward Nygma) (Flashback, Villain), Deathstorm (All in Flashback), Also As Robin (Flashback) (Origin Retold), Lotti Duff (First Appearance), Jai, Owlman, Johnny Quick, Bryce, Also As Robin, Batgirl (Barbara Gordon)