references from four people. An earlier model of Gordon, known as "Ivan the Space Biker", had a full beard that was subsequently trimmed. Other iterations of Gordon's concept featured different glasses, a ponytail, and a helmet.

Gordon wears a special full-body hazmat suit, known as the Hazardous Environment Suit (or HEV Suit). The suit is designed to protect the user from radiation, energy discharges, and blunt trauma during the handling of hazardous materials. The suit's main