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
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