I suppose Nick Clegg as Obama was just about plausible, but Cameron as Obama? It's come to something when a right-wing tabloid is forced to invoke a left-liberal politician in an attempt to get the vote out for their man.
Moreover, as my colleague James Macintyre revealed, Obama was "distinctly unimpressed" by Cameron and considers him "a lightweight".
Unsurprisingly, the parodies are already flooding in. Here are some of our favourites.