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
Santa's Little Helper The name "Santa's Little Helper" was chosen because, according to writer Al Jean in the same "TV Guide" article, "we needed a name that would inspire Homer to bet on him, an omen, a Christmas name since he was betting on Christmas Eve. But, at that point, nobody was thinking long-term. We weren't considering what might happen in ten years, when we've got to use this name." Although "Simpsons Roasting on an Open Fire" was the first episode of the series to air on TV, it was the eighth episode produced by the staff. It was chosen to air first