In the movie "Halloween" (1978), the character of Jacob, also known as "Little" in the movie, is not celebrating a birthday. The film primarily focuses on the character of Michael Myers, who escapes from a psychiatric hospital and returns to his hometown of Haddonfield to stalk and kill teenagers. "Halloween" is a classic horror film directed by John Carpenter and has become one of the most influential movies in the slasher genre. There are subsequent sequels and reboots in the "Halloween" franchise, but the original film does not involve a character named Jacob celebrating a birthday.