Gordon is a bespectacled white man from Seattle, with brown hair a signature goatee and glasses.

Gordon wears the The HEV Suit, or Hazardous EnVironment suit, it was designed for Black Mesa scientists to protect themselves from radiation, energy discharges, blunt-force trauma during the handling of hazardous materials, the suit is mostly orange and gray, Gordon's head and neck are exposed.

Gordon's main weapon is his trusty Crowbar, though he does know how to handle Guns.

Gordon is Mute.