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
The Simpsons episode guides a list and brief description of "The Simpsons" shorts from "The Tracey Ullman Show", a list of times Homer has said "D'oh!", and a list of Itchy & Scratchy cartoons. On two pages there are short biographies of each of the five immediate members of the Simpson family, namely Homer, Marge, Bart, Lisa and Maggie. Short biographies of other "Simpsons" characters appear in sidebars to each episode's page, starting with Santa's Little Helper for "Simpsons Roasting on an Open Fire" and ending with Willem Dafoe's Commandant from "The Secret War of Lisa Simpson". "The Simpsons Forever!: A Complete Guide to