who is the boogeyman in nightmare before christmas

The Boogeyman in "Nightmare Before Christmas" is a mythical figure who is said to come out on Halloween and scare children. In the movie, he's portrayed as a sinister, dark figure who lives in the Forest of Perpetual Darkness. He's known for his terrifying laugh and the ability to turn children into monsters. He also has a strong rivalry with Jack Skellington, who is the main character of the movie.