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 by director Mark Kirkland and was the first episode staff writer George Meyer received a sole writing credit for since the season 5 episode "Bart's Inner Child". Meyer, who was facing some psychological difficulties while writing the episode, felt so dissatisfied with the episode's first draft that he turned it in with a pseudonym. The episode satirizes the perceived misdiagnosis of behavioral disorders in children, which was a controversial topic at the time the episode was written. The episode's title is a parody of The Rolling Stones song "Mother's Little Helper", which was also written on the topic of psychological