Bludhaven is the sister-city to Gotham and the main location of the Nightwing comics. It is where Dick Grayson went to operate in when he became the vigilante Nightwing and no longer Robin. Cass Cain and Tim Drake also operated in this country.
Titans: Dick Grayson/Nightwing • Bruce Wayne/Batman • Jason Todd/Red Hood/Robin II • Tim Drake/Robin III • Barbara Gordon • Slade Wilson/Deathstroke • Jonathan Crane/Scarecrow
Arrowverse: Helena Bertinelli/Huntress • Batwoman (Ryan Wilder) •Kate Kane (Arrowverse) • Slade Wilson/Deathstroke
DC Extended Universe: Bruce Wayne/Batman • Superman • Aquaman • Wonder Woman • Harley Quinn • Huntress (Helena Bertinelli) • Slade Wilson/Deathstroke
DC Animated Movie Universe: Bruce Wayne/Batman • Dick Grayson/Nightwing • Damian Wayne/Robin II • Raven • Superman
Batman: The Brave and the Bold Series Batman, Aquaman, Jaime Reyes/Blue Beetle, Green Arrow, Black Orchid, Ambush Bug, Green Lantern (Guy Gardner)
Arrowverse: Slade Wilson (Arrowverse) • Talia al Ghul • Lex Luthor
Titans: Slade Wilson/Deathstroke • Mercy Graves • Scarecrow • Joker • Penguin • Mad Hatter
DC Extended Universe: Lex Luthor • Doomsday • Deathstroke (Slade Wilson) • Lex Luthor • Steppenwolf • Darkseid • Parademons
The Batman (2022): Bruce Wayne/Batman (2022) • Selina Kyle/Catwoman
Family: John Grayson • Mary Grayson • Mayor Melinda Zucco • Mar'i Grayson
Allies: Bruce Wayne/Batman • Alfred Pennyworth • Tim Drake/Red Robin • Jason Todd/Red Hood • Damian Wayne/Robin • Batgirl (Barbara Gordon • Cassandra Cain • Stephanie Brown) • Selina Kyle/Catwoman • Starfire • Donna Troy • Raven • Cyborg • Beast Boy • Kid Flash • Supergirl • Roy Harper/Speedy • Aqualad • Superman • Dinah Lance/Black Canary • Kate Kane • Bette Kane • Beth Kane/Red Alice • Batwing • Duke Thomas/Signal • Bluebird • Wonder Woman • Barry Allen/The Flash • Green Lantern (Hal Jordan • Jade) • Helena Bertinelli/Huntress • Superboy (Kon-El • Jon Kent) • John Henry Iron/Steel • Aquaman • Firestorm • Green Arrow • Hawkman • Hawkgirl • Zatanna • Rose Wilson/Ravager • Jericho • Bumblebee • Hawk and Dove • Ace the Bat-Hound • Harley Quinn • Renee Montoya
Villains: Alex Luthor, Black Mask • Blackfire • Blockbuster II • Brutale • Chemo • Clayface • Copperhead • Deathstroke • Doctor Sivana • Electrocutioner • Firefly • Francis Redhorn • Grimm • Joker • KGBeast • Killer Moth • Killer Croc • Lady Vic • League of Assassins • Lex Luthor • Monsoon • Nite-Wing • Penguin • Polka Dot Man • Punchline • Ra's al Ghul • Riddler • Scarecrow • Shriek • Talia al Ghul • Talon • Tarantula • The Trigger Twins • Tiger Shark • Tony Zucco • Two-Face • Lady Shiva • Superboy Prime • Scarecrow • Brainiac • Trigon • Hush • Firefly • Professor Pyg • Amazo • Mad Hatter • Victor Zsasz • Dr. Simon Hurt • Brother Blood • Doctor Light • Mr. Freeze • Court of Owls
The Batman: Dick Grayson • Barbara Gordon • Bruce Wayne • Oliver Queen • Kal-El/Clark Kent • Martian Manhunter
Titans: Barbara Gordon • Dick Grayson/Nightwing • Koriand'r • Rachel Roth • Gar Logan • Conner • Dove • Hawk • Rose Wilson • Jericho • Bruce Wayne • Deathstroke • Tim Drake • Jason Todd • Donna Troy
Teen Titans: Robin (Nightwing) • Raven • Starfire • Cyborg • Beast Boy • Aqualad • Kid Flash • Slade • Terra • Jericho • Doom Patrol (Elasti-Girl • Negative Man • Mento • Robot Man) • Robin/Red X
Young Justice: Orphan • Robin • Jason Todd • Damian Wayne • Stephanie Brown • Barbara Gordon