Criminal Minds [1]'s supersexy Dr. Spencer Reid is one of our favourite reasons to tune into the show [2]. Outside the CBS drama, though, Matthew Gray Gubler has a whole lot of appeal [3] to him, and one of those reasons is his sheer excitement for Halloween [4]. Yes, he is quite possibly Halloween's biggest fan. The actor celebrates the spooky holiday all October long — and sometimes even during other parts of the year, if his Instagram is anything to go by. He happily dresses up his home and himself in all manner of orange and black, and these 20 Instagrams are solid proof that if you were looking for Halloween's fondest admirer, Matthew is it. Keep reading to see his best photos.