But to be honest it's been done before and really I just wanted to post a funny video. So here's a superbly observed little 'mockumentary' I happened to see at the Cornwall Film Festival yesterday (watch in full-screen, or you'll miss something at around 8:44):
A HARD DAY'S KNIGHT
More details of the director, Ashley Wing, plus another longer movie, can be found here.
While searching for the above I found something else by the same director. It's short and touching, and, despite the contrast, as I happened to find it today, Remembrance Day, it seemed fitting to post this too: