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
Politics in The Simpsons to "hundreds of radical right-wing messages inserted into every show by creator Matt Groening". More recently, however, conservative bloggers and commentators have enthusiastically promoted cultural memes from the series, such as Groundskeeper Willie's derisive term for the French, "cheese-eating surrender monkeys". Political topics addressed on "The Simpsons" include homophobia and gay marriage (in the episodes "Homer's Phobia" and "There's Something About Marrying"), immigration and border control (“Much Apu About Nothing,” “Midnight Rx”, “Coming to Homerica”), drug and alcohol abuse ("Brother's Little Helper", "Weekend at Burnsie's", "Smoke on the Daughter", "Homer vs. the Eighteenth Amendment", "Duffless", "E-I-E-I-(Annoyed Grunt)", and "Days of