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), Also As Nightwing (Flashback), Midnighter Lucas Trent, Starfire (Koriand'r) (Flashback), Joker (Flashback, Villain), Crime Syndicate Ultraman, Apollo (Andrew Pulaski), Maksim, Icicle (Cameron Mahkent) (Flashback), Alfred Pennyworth (Flashback), Mary Grayson, Janni, Also As Matches Malone, The Old Gun (Christopher Tanner), Power Ring, Barton Tare (Villain, Death), Spyral Agent 37 (Dick Grayson), Superwoman, Also As Black Oak, Flamingo (Eduardo Flamingo) (Flashback), Kgbeast Anatoli Knyazev, Spyral Agent 37 Dick Grayson, Joker (Flashback), Lotti Duff, Alfred Pennyworth, Agent 37 (Dick Grayson), John Grayson (Flashback), Trickster (Axel Walker) (Flashback), Also As Birdwatcher, Cycles of Violence (Villains), Frau Netz, Also As the Beast (Villain), Ra's Al Ghul (Flashback), Robin (Damian Wayne) (Flashback), John Grayson, Catwoman (Selina Kyle) (Flashback), Mr. Minos, Arsenal (Roy Harper) (Flashback), Also As Nightwing, Deathstorm (All in Flashback), Riddler (Edward Nygma) (Flashback, Villain), Penguin (Oswald Cobblepot) (Flashback, Villain), Also As Robin (Flashback) (Origin Retold), Lotti Duff (First Appearance), Jai, Owlman, Johnny Quick, Bryce, Also As Robin, Batgirl (Barbara Gordon)