Jack Skellington is a fictional character and the main protagonist of the animated film The Nightmare Before Christmas. He is known as the "Pumpkin King" of Halloween Town, where he leads the annual Halloween celebrations. Jack is characterized by his tall, skeletal frame, pinstripe suit, and a distinctive skull-like face. In the story, Jack becomes bored with Halloween and discovers Christmas Town, leading him to attempt to take over the holiday. His fascination with Christmas brings both excitement and chaos, as he tries to blend the two holidays. Ultimately, Jack learns valuable lessons about identity and the importance of embracing one's true self.