Roman Bellic is a fictional character from the video game series Grand Theft Auto, specifically appearing in Grand Theft Auto IV. He is the cousin of the main protagonist, Niko Bellic, and is known for his charismatic and optimistic personality. Roman runs a taxi business in Liberty City and dreams of a better life, often getting involved in various schemes. Throughout the game, Roman's character provides comic relief and emotional depth, showcasing the struggles of immigrant life. His relationships with other characters, including his love for gambling and his loyalty to Niko, highlight the themes of family and friendship in the storyline.