1: He was orginally going to have a plain black suit but the animator gave him white stripes instead.

2: Jacks dog,Zero has a nose that is actually a Jackolantern.

3: during the making if the movie Jack had over 400 different faces for each frame.

4: The person who was casted to play Jack Skellington couldn't sing in Jacks voice so they had Danny Elfman do it

5: Danny Elfman Made All Of The Music And There Was A Epilogue In The Soundtrack For The film.

6:Sally "stuffing" is leaves

7: In the credits Dr.Finkelstien is just called Evil Scientist.

8: Jack Skellington has made many Cameos in different movies such as James and the Giant Peach and Coralline

9: It took them 12 years to make the moive!

10: each voice recording session took only 2 weeks.