During the episode, Robert Terwilliger, aka Bob, managed to successfully get hold of Bart, which resulted in him being caught and thrown in Jail. A now grown-up, Lisa, who has become a true crime ...

In the Halloween-themed instalment, Bob – whose real name in the show is Robert Terwilliger – has successfully managed to kill Bart, and has since been caught and thrown in jail.

But now Bob, whose real name is Robert Terwilliger, has been killed off himself, with the latest Treehouse of Horror episode depicting his grisly end.

Dr. Robert Terwilliger Sr appears in the 2007 episode 'Funeral for a Fiend' and is the father of 'Sideshow' Bob and Cecil Terwilliger. When Sideshow Bob is put on trial for yet again trying to ...