Niko Bellic, Rockstar Games Wiki

Niko Bellic is a character in the Grand Theft Auto series who appears as the protagonist of Grand Theft Auto IV, and a supporting character in The Lost and Damned and The Ballad of Gay Tony. Niko is a Yugoslavian immigrant, who at first, claims to come to Liberty City in order to visit his cousin, Roman Bellic, but later reveals that his reason to come to the city, is to find the person who sold out his friends to the enemies during the Yugoslavian War. Niko Bellic was voiced by Michael Hollick.

Rockstar confirmed Niko was Serbian a few years ago - GTA IV - GTAForums

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Niko Bellic, Rockstar Games Wiki

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