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
Religion in The Simpsons praying. William Romanowski, author of the book "Pop Culture Wars: Religion and the Role of Entertainment in American Life", noted that ""The Simpsons" is not dismissive of faith, but treats religion as an integral part of American life. Episodes that I’ve seen are not so much irreverent toward religion, but poke fun at American attitudes and practices." One episode that heavily features religion is "Bart Sells His Soul" (1995). While discussing "The Simpsons" treatment of religion in his "Drawn to Television" book, M. Keith Booker cites a scene from the episode where Milhouse asks Bart what religions have to gain