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 of IGN posted a "flashback review" of "Brother's Little Helper". Canning, calling the episode "funny" and "a standout episode in this later season", was particularly fond of the episode's opening. However, he was less impressed with the third act of the episode, calling it "lackluster". He felt that the part involving Mark McGwire was "a silly cop out" and that it wasn't as funny as what was leading up to it. He also stated that he was put off by the writers wanting to come across a message. "It's not that I necessarily disagreed with this sentiment", Canning wrote, "but