The thing and i bart discovers he has an evil twin who is living in the.
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 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.
From season 8 episode 1 treehouse of horror vii a halloween special which is divided into three short stories.
Hugo was deemed too evil for human society so they chained him in the attic where they feed him on fish heads.
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.
Hugo simpson is a non canon character and bart s conjoined twin in treehouse of horror vii.
The two were originally conjoined but were separated at birth.
Bart lisa and maggie discovered hugo after they heard strange sounds coming from the attic and after homer spilled the beans about there.
The kids spy on homer climbing to the attic feeding fish heads to something.
He explains that bart has an evil twin named hugo.
The next morning after they mention this to their parents marge reminds homer to feed the thing.