Santa's Little Helper prompted satires of contemporary dog culture, from Barbara Woodhouse's authoritarian training methods [in "Bart's Dog Gets an F"] to Lassie's flawless service to the status quo [in "The Canine Mutiny"]." Although cast member Dan Castellaneta occasionally voiced Santa's Little Helper for bit parts, American voice artist Frank Welker most often provided the sounds of the dog and other animals on the show from "Bart's Dog Gets an F", which aired on March 7, 1991, to "Home Sweet Homediddly-Dum-Doodily", which aired on October 1, 1995. He said on his official website in 2007 that he liked portraying Santa's Little Helper because
The Simpsons their original format. In July 2017, all episodes were made available for purchase on the iTunes Store, in the United States. The popularity of "The Simpsons" has made it a billion-dollar merchandising industry. The title family and supporting characters appear on everything from T-shirts to posters. "The Simpsons" has been used as a theme for special editions of well-known board games, including Clue, Scrabble, Monopoly, Operation, and The Game of Life, as well as the trivia games What Would Homer Do? and Simpsons "Jeopardy!". Several card games such as trump cards and The Simpsons Trading Card Game have also been