Santa's Little Helper and is the center of the plots of several episodes. During the course of the show, he has fathered litters of puppies, passed obedience school, had surgery for bloat, replaced Duffman as the mascot for Duff Beer, and been trained as a police dog at Springfield's Animal Police Academy. Some of the episodes that focus on Santa's Little Helper have been inspired by popular culture or real experiences that staff members of the show have gone through. Although cartoon animals are often anthropomorphized, Santa's Little Helper generally exhibits canine behavior. Cast member Dan Castellaneta currently provides the dog's sounds on
Media in The Simpsons let the users of the Internet vote over what direction "The Simpsons" should take. In the twenty-second season finale "The Ned-Liest Catch", the characters Ned Flanders and Edna Krabappel started dating. The episode ends with Homer and Marge Simpson giving the viewers a link to the official "The Simpsons" website, TheSimpsons.com, and encouraging them to go on the website and vote over the summer of 2011 on whether Ned and Edna should stay together. Showrunner Al Jean said in an interview that the writers decided it would not be interesting for them to do another episode where a relationship ended,