OG Squishmallow Jack is happy and smiling ... Also revealed on Instagram are two Nightmare Before Christmas characters making their Squishmallow debuts - Dr. Finkelstein and Vampire Teddy.

Hailey Bieber is showing off the plush toy she got baby son Jack at Disneyland, saying he's her "Jack Skelly." Hailey shares her son with husband Justin Bieber.

New packable jackets featuring characters from "The Nightmare Before Christmas" and the "Toy Story" series now available in ...

and for fans of Tim Burton's The Nightmare Before Christmas, the characters need no introduction. Sally (Née Finklestein) is the deuteragonist of the film and Jack's "friend." As for the Pumpkin ...