Santa's Little Helper Duff Beer that has been spilled on the floor. In another board game published by USAopoly called "The Simpsons Monopoly", based on "Monopoly" and released in 2001, the dog is featured as one of the six pewter playing pieces. Santa's Little Helper has also appeared in issues of "Simpsons Comics", in the 2007 film "The Simpsons Movie", and in video games based on "The Simpsons" such as "Night of the Living Treehouse of Horror" and "The Simpsons Game". In addition, the dog has been made into action figures by McFarlane Toys, action figures by Playmates Toys in the World of
Bart's Dog Gets an "F" shorts, the characters spun off into their own half-hour prime-time show on the Fox network named "The Simpsons". Matt Groening, the series' creator, wanted Ullman to make a guest appearance in one of the shorts, but was told that she was too busy with the rest of "The Tracey Ullman Show". When her show was canceled in 1990, Ullman agreed to do a guest appearance on "The Simpsons" after being asked by Groening once again. The animal noises for the episode, including those by Santa's Little Helper, were performed by Frank Welker. It was the first "The Simpsons" episode Welker