The episode marked the first appearance of Shelley Marsh, Stan's mother Sharon Marsh, and the mad scientist Dr. Mephesto, who was inspired by the title character of the 1996 film, The Island of Dr. Moreau.
Afsnittet gav debut til Shelly Marsh, Stans moder Sharon Marsh og den skøre videnskabsmand Dr. Mephisto, der var inspireret af titelfiguren fra filmen The Island of Dr. Moreau fra 1996.