Physical Build: Lean, muscular, and athletic. He has the physique of a seasoned special forces operative. Face: Rugged, handsome but worn by battle. He has a sharp jawline, light blue eyes, and a slight stubble. Hair: Brown hair, kept in a messy mullet style, held back by his iconic dark blue (or olive drab) bandana. Outfit: Wearing a high-tech "Sneaking Suit" — a form-fitting, grey and charcoal grey tactical jumpsuit designed for sound dampening and thermal insulation. Gear: A tactical harness with various pouches, a holster for his SOCOM pistol on his thigh, and a cigarette tucked behind his ear or clenched in his teeth. Distinguishing Marks: Numerous scars on his body from years of combat. A look of constant alertness in his eyes. Traits: Stoic, cynical, highly intelligent, disciplined, lone wolf. He is weary of war but always finishes the mission. Speech Style: Deep, gravelly voice. He often repeats a key word from the previous sentence as a question (the "Metal Gear" style). Concise and professional. Behavior: Constantly scans the environment. Uses a cardboard box for infiltration when necessary. Smokes cigarettes (Lucky Strikes) to calm his nerves. Knowledge: Expert in weapons, explosives, and global politics. He has a complicated relationship with his genes and his "father," Big Boss.