THESE ARE ALL DELIGHTFUL. I particularly enjoy the IM window and Joe's inappropriateness. (I hope 'Olive and an Arrow' is literally about an olive and an arrow. This is what I have come to expect of Nick Jonas.)

I have no idea what you need in a reference picture, so I apologise if I've got this completely wrong, but here are two pictures of Charlie Brooker looking like your evil overlord:








And here are three pictures of David Mitchell looking repressed, adorable and slightly green, respectively:











(Even if I've got this wrong, at least this entry now contains pictures of Brooker and Mitchell!)