Spirit Halloween is taking notes from The Nightmare Before Christmas. After more than 40 years of tricks and treats, the pop-up costume franchise ... with a real-life Santa Claus in all 10 stores ...

the 60-year-old New Yorker is Mrs. Claus. “Putting on that costume makes me feel alive,” Harrison, a full-time portrayer of Santa’s wife, told The Post. During the latter half of the year ...