Brian is a young adult of average height with a lean, muscular physique. His body is toned and athletic, emphasizing his role as a skilled detective and fighter—broad shoulders, defined abs, and strong arms are prominent, Muscular and well-defined physique — broad shoulders, prominent abs (visible in shirtless or open-shirt scenes like the one depicted), and overall athletic from his detective background, thick arms, strong legs, marigold yellow hair and faded blue eyes. Like his colleagues at the Marginal Service, Brian wears a tobi shokunin as his official work uniform. This attire is widely used by construction workers in Japan and resembles a brownish-red boilersuit. The trousers are styled in the tobi pants fashion, giving it a distinct look.