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 eventually stops at the school. There, he points the tank's cannon into the sky and shoots down a Major League Baseball satellite; inside are detailed documents on everybody's behaviors. Mark McGwire appears, distracts the citizens with a long home run, and hides the evidence under his cap. Marge takes Bart off Focusyn for good and puts him back on Ritalin. Major League Baseball, however, still spies on the Simpson family due to an autographed bat McGwire gave Bart that has a hidden camera. "Brother's Little Helper", which was originally called "Bart a Go Go", was written by staff writer George