Santa's Little Helper the dog was a "sympathetic" character. Welker has been praised by staff members for his performances on the show. David Mirkin has noted that "he can do anything, and it fits perfectly. You forget you're listening to a guy, and he's a pleasure to work with." Groening has commented that he was "unbelievably good" at doing animal noises. After 1995, Castellaneta voiced Santa's Little Helper on his own while Welker performed other animal noises until his full departure in 2002, when he was denied a pay raise. In the "questions and answers" section on his website, Welker revealed that the
Brother's Little Helper Meyer and directed by director Mark Kirkland. It was first broadcast on the Fox network in the United States on October 3, 1999. After the season 5 episode "Bart's Inner Child", Meyer got "a little burned out on writing scripts", so he wrote "Brother's Little Helper" in order to "try [his] hand again". While writing the episode, Meyer was going through "some psychological problems" and found the episode very difficult to write. He was initially so dissatisfied with the first draft that he turned it in with a pseudonym; Vance Jericho. Co-producer Tim Long jokingly commented that the script was