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2.
The East Europeon Protagonist of Grand Theft Auto IV, who has been lied by his cousin Roman to come to America only to fend off his problems he has contracted through time. He has a strong military experience and has been living in War torn countries and Third world prisons before he came to Liberty City. He is also really sarcastic to people when he is insulted or black balled by people
Niko Bellic: Yeah, He's Dead
McReary: Great, I can get rid of these now. I feel like a new man. Not many people get a second chance like this. Thank You
Niko Bellic: Your Sins Absolved, I guess...?
by JJCoolJ91 March 10, 2008
 
1.
The protagonist of Grand Theft Auto IV.
Niko Bellic is who you play as in Grand Theft Auto IV.
by Tyburn December 07, 2007
 
3.
The Serbian protagonist of the best-selling game of 2008, GTA IV.
Many people mistake him as Russian, vaguely "Eastern European" or something else, but it's rather obvious by his name and native language which he utters throughout the game, he's Serb.

A veteran of the Yugoslav Wars (see: Bosnian war) in which he participated during his teenage life, Niko has a bitter and cynical perspective of the world because of a long history of suffering and betrayal at the hands of others.

He's a no-nonsense, business-oriented guy who's overly protective but perhaps a little paranoid as well.

After his army unit is wiped out in an ambush due to an unknown informant (later revealed to be a member of the unit itself) and at the invitation of his cousin, Roman, he comes to Liberty City in the US, where he's promised a lavish and rewarding life of luxury.

This is where the game kicks off, leaving the player largely to their own devices and free to mould Niko into either: a brutal, psychopathic and cunning hitman who exacts revenge on everyone who betrays him OR a repenter who eventually sees the bright side of life.

The game essentially details Niko's dealings and relationships with the various criminal organisations of Liberty City like the Russian Mafia.
However, there's is so much more to the story it's impossible to explain it all in one definition.
Niko Bellic: "God bless this city!"

Niko Bellic: "How would you like to die?"

Michael Hollick voices Niko Bellic in GTA IV.