Roman Bellic is Niko Bellic's cousin, the deturagonist of Grand Theft Auto IV and a minor character in The Lost and Damned and The Ballad of Gay Tony. Roman has lived in Liberty City for 10 years, and is happy when Niko comes to live with him. Sadly, he is killed in the Deal ending of GTA IV.
- In The Ballad of Gay Tony, Roman is seen at Tony Prince's nightclub, Maisonette 9. He wears his wedding outfit, and cannot be seen outside of cutscenes.
- Roman likes gambling, but Niko worries about him, because Roman gambles all his money, and gets into debt with loan sharks. His gambling addiction is why he got kidnapped by Johnny Klebitz (Roman got into serious debt with the Russians, and the Russians order Johnny to kidnap Roman so he can pay his debts, and another reason is because Ashley Butler owed Dimitri Rascalov a lot of money, and the Russians tell Johnny to kidnap Roman or they'll kill Ashley).
- Roman's famous line "Niko, it's Roman! Let's go bowling" was used in the Sibling Rivalries comic "Get Rec'd!" when Packie and friends are playing GTA IV.