Santa's Little Helper reason he stopped performing as Santa's Little Helper was because "The producers thought... 'Hmmm, Dan barks pretty good, and we are already paying him and he seems to like doing the dog thing... why do we need to pay Welker who comes in here, spends less than an hour, eats all the doughnuts, refuses to come to rehearsals... let's just give the damn dog to Dan!'" Santa's Little Helper has become a well-known dog because of his appearances in the series. A writer for "The Grand Rapids Press" wrote in 2002 that "we all know who Homer, Marge, Bart, Lisa
Brother's Little Helper which Homer and Marge go to see. Homer says that, since taking Focusyn, Bart has gone "from Goofus to Gallant", a reference to the characters Goofus and Gallant from the children's magazine "Highlights". When Lou sketches Bart based on Homer and Marge's description he ends up drawing Dennis from the comic strip "Dennis the Menace". A shirt at the military base Fort Fragg reads "I Went to the Persian Gulf and All I Got Was This Lousy Syndrome", a reference to Gulf War syndrome. In its original American broadcast on October 3, 1999, "Brother's Little Helper" finished at no. 51