I've probably done this one before, but the sweat and fake tan running down Trump's face during his interview the other day made it even more apposite than usual. He looked like he'd been attacked with a can of gold spray paint.
Bah! I sent it into Private Eye, and it is indeed their lookalike-of-the-week, only they've published the letter from someone else who also spotted the resemblance. Oh well, it was so striking that I bet quite a few people wrote in with it.
This guy, named Dirk Maggs, has been on the Christmas editions of University Challenge, so I guess he must be at least moderately famous, although I'd not heard of him. But I thought he looked liked @Corpsey if he were a wizard who's not allowed within 100 metres of a school: