Santa's Little Helper greyhound's lack of intelligence. In an article that compared "The Simpsons" to the animated series "Family Guy", Todd Camp of the "Fort Worth Star-Telegram" noted that "though Santa's Little Helper may be the only Simpson who's dumber than Homer, the Griffins' pooch <nowiki>[</nowiki>Brian Griffin<nowiki>]</nowiki> is the brainiest member of the household". In 1991, Copley News Service's Alison Ashton described Santa's Little Helper as a "sweet and stupid dog". Tom Coombe of "The Morning Call" wrote in 2002 that "fans of "The Simpsons" will tell you that the cartoon family's dog [...] is often dumb, disobedient and skittish. Fans of the
Bart's Dog Gets an "F" shorts, the characters spun off into their own half-hour prime-time show on the Fox network named "The Simpsons". Matt Groening, the series' creator, wanted Ullman to make a guest appearance in one of the shorts, but was told that she was too busy with the rest of "The Tracey Ullman Show". When her show was canceled in 1990, Ullman agreed to do a guest appearance on "The Simpsons" after being asked by Groening once again. The animal noises for the episode, including those by Santa's Little Helper, were performed by Frank Welker. It was the first "The Simpsons" episode Welker