Simply put, all of them. I'm paying attention to the girl on screen, not which actor(s) is plowing into her. I don't need to know their names, the camera should never focus on their face, they shouldn't even talk. And by NO means should they try to make themselves known off camera through mainstream media transitioning (Tommy Gunn, Ron Jeremy, etc.), plugging their websites or Twitter or whatever other shit they use. I don't care, I don't want to care, and I will never care if you're the "Unsung Woodsman" for 3 years running; I watch porn to see the girl, not to see you.