New Jersey mom Mary Grego says the best part of her creative Elf on the Shelf displays is watching ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on ...

Editor’s note: This story may contain spoilers ... Look no further than your trusty elf partner! These funny Elf on the Shelf ...

If you're a parent, then you're well aware of what "The Elf on the Shelf" is-and hopefully you're having fun with it! After all, it's one of the hottest and most popular Christmas traditions right ...