Occupation: Gun adept
John is quite fond of firearms. He's got big guns, small guns, books about guns, books shaped like guns, posters about guns, posters about guns shaped like books about guns, guns that shoot knives, guns that shoot bombs, guns that shoot smaller guns... Sorry, what was the question?
When the runners were fighting griffons in the Salish-Shidhe territories surrounding Seattle in episode 5, Laying Low and Aiming High, John delivered a solid stomp to one of the monsters' groins, along with a pop culture reference that tickled the GM's ditto, announcing his discovery that "Griffon's got nards!"