The characters of Grand Theft Auto IV, The Lost and Damned, and The Ballad of Gay Tony.
- Protagonistsnote Niko Bellic, Johnny Klebitz, Luis Fernando Lopez
- Friends, Family and Associatesnote Niko Bellic's Friends, Family and Associates (Roman Bellic, Mallorie Bardas, Brucie Kibbutz, Mohammad), The Old Country (Florian Cravic, Darko Brevic), Hillside Posse (Little Jacob, Real Badman)), The Lost MC (Billy Grey, Jim Fitzgerald, Terry Thorpe, Clay Simons, Brian Jeremy, Jason Michaels, Angus Martin, Dave Grossman, Ashley Butler), Maisonette 9 (Gay Tony, Yusuf Amir, Mori Kibbutz, Evan Moss)
- Crime Families and Other Organizationsnote Russian Mafia (Faustin Bratva (Dimitri Rascalov, Mikhail Faustin, Vlad Glebov), Bulgarin Bratva (Ray Bulgarin, Timur)), Pegorino Family (Jimmy Pegorino, Phil Bell, Ray Boccino, Anthony Corrado), Spanish Lords (Elizabeta Torres, Manny Escuela), McReary Crime Family (Leadership (Derrick McReary, Gerald McReary, Patrick McReary), Enforcers (Gordon Sargent, Michael Keane), Associates (Francis McReary, Kate McReary, Maureen McReary)), Ancelotti Crime Family (Giovanni Ancelotti, Gracie Ancelotti, Rocco Pelosi, Vince Pelosi), Gambetti Crime Family (Jon Gravelli), North Holland Hustlers (Playboy X, Dwayne Forge, Jayvon Smith), Northwood Dominican Drug Dealers (Teddy Benavides, Armando Torres, Henrique Bardas)
- Other Charactersnote United Liberty Paper (The Contact, Michelle), Other Criminals (Malc and DeSean, Stubbs, The Cook, Curtis Stocker), Girlfriends (Kiki Jenkins, Alex Chilton, Carmen Ortiz), Random Characters (Eddie Low, Jeff Harllingford, Marnie Allen, Brian Meech, Pathos, Margot), Performers (Bluesy St. John, The Incredible Kleinman)