Vyvyan owns a Glaswegian hamster named Special Patrol Group ("SPG" for short) whom he is very fond of, although SPG is also frequently subjected to Vyvyan's extreme violence, although it is usually provoked, such as when SPG bit Vyvyan in "Flood" or plugging in the TV after Vyvyan swallowed it in "Bomb". His mother is a barmaid and former shoplifter, who before "Boring" had not seen Vyvyan in ten years and has no idea who his father is.