Bart stays behind as the others leave to search for hugo but bart realizes that hugo never left the house.
Simpsons halloween twin living in the attic.
Bart lisa and maggie discovered hugo after they heard strange sounds coming from the attic and after homer spilled the beans about there.
From season 8 episode 1 treehouse of horror vii a halloween special which is divided into three short stories.
The kids spy on homer climbing to the attic feeding fish heads to something.
Shortly after their birth they were separated by dr.
Bart lisa and maggie discovered hugo after they heard strange sounds coming from the attic and after homer spilled the beans about there being four simpson children as the evil twin hugo had been confined to living in the attic of the simpson home and once a week was given a bucket of fish heads to eat because he was the evil one.
The next morning after they mention this to their parents marge reminds homer to feed the thing.
The two were originally conjoined but were separated at birth.
He explains that bart has an evil twin named hugo.
In a parody of the hunchback of notre dame and basket case bart lisa and maggie begin to hear strange noises coming from the attic one night.
In one of the few treehouse of horrors not based on an existing story this segment introduced hugo bart s conjoined twin brother who was separated from him at birth by the chuckle tastic dr.