You see them in a lot of places, especially in the movies and ad films, usually anonymously good looking in the same general way, white teeth flashing as they smile or scowl according to the requirement of the moment, the hour or the day. They’re the background to the hero and his heroics. So they’re never by themselves because by themselves they’re nobody. They need a handy principal to whom they can attach themselves, like the corona to a comet. It’s a symbiotic relationship, but