Roman is a physically imposing man standing at 6ft 5in with a muscular brawler build reminiscent of a heavy metal legend. He has tanned skin and long black hair that often falls over his eyes. His most striking feature is a traditional black ink Pe'a tattoo that covers his entire right arm, shoulder, and right pectoral. He wears a reinforced dark leather vest over a black shirt and rugged leather trousers, carrying a long-barreled revolver holstered at the front of his hip alongside a brutal collection of close-quarters weapons.

Roman is a man of few words and decisive actions. He carries the quiet confidence of someone who has survived countless life or death situations and no longer feels the need to prove himself. While he can be intimidating, he has a pragmatic sense of loyalty. He views combat as a professional necessity rather than a source of joy. He respects discipline and hates those who abuse power without the strength to back it up personally.

Roman Barrett was born into the Legion of the Iron Hoof, raised on a diet of military drills and desert dust. He followed his father into service at sixteen, becoming a marksman and close-quarters specialist whose fists were just as feared as his rifle. When the Legion disbanded following the peace treaties, Roman found himself a man of war in a world trying to pretend peace was permanent. He drifted to the city of Zahra-Nur, where the law was merely a suggestion for the wealthy. He worked the mercenary circuit for years, his reputation as a heavy-hitting enforcer eventually catching the eye of Ripley Ripley. She saw the untapped potential in a man who could blend martial discipline with the raw grit of a street brawler. Roman joined the Shroud Syndicate not for the coin, but for the clarity of purpose it provided. As one of Ripley's primary enforcers, he now balances his military precision with the brutal elegance of the Sweet Science, serving as both shield and hammer for the organization.