Santa's Little Helper and is the center of the plots of several episodes. During the course of the show, he has fathered litters of puppies, passed obedience school, had surgery for bloat, replaced Duffman as the mascot for Duff Beer, and been trained as a police dog at Springfield's Animal Police Academy. Some of the episodes that focus on Santa's Little Helper have been inspired by popular culture or real experiences that staff members of the show have gone through. Although cartoon animals are often anthropomorphized, Santa's Little Helper generally exhibits canine behavior. Cast member Dan Castellaneta currently provides the dog's sounds on
Brother's Little Helper Mental Health. Scripps Howard News Service columnist Deroy Murdock mentioned the timeliness of the conference in connection with the episode as being an instance of "The Simpsons" "clairvoyantly predict[ing] the news". In 2007, the fictional word "exorcism tongs" appeared in Cracked.com's list "From Cromulent to Craptacular: The Top 12 Simpsons Created Words", ranking in at number 10. The word is used in a scene in which Homer eats a mixture of taffy and Focusyn, which puts him in a "mildly hallucinogenic state". Seeing this, Todd Flanders asks his father, Ned, "Does Mr. Simpson have a demon, daddy?" To which Ned