Since from the Treehouse of Horror VI segment "Nightmare at Evergreen Terrace", Groundskeeper Willie had an own theme, but only a melody. It was reproduced again in the tenth season episode, Lard of the Dance; in a scene which Willie follows Homer and Bart for stole his Lard.


Simp Episode – "Treehouse of Horror VI" First appearence in segment "Nightmare in Evergreen Terrace"

Simp Episode – "Lard of the Dance" Short version of the music when Willie follow Homer and Bart