I am pretty sure there is a law saying that if you are going to make any reference to Doctor Who, the “Doctor who?” joke must be said. If there isn’t such a law, there should be. Write to your Congressman today! (And yes, I am aware that Doctor Who is British. Write to your Congressman anyway!)
Anyway, now that Matt Smith has been revealed to merely share the same name and likeness with the show, ON WITH THE PARODY!