The Simpsons their advertising. As a promotion for "The Simpsons Movie", twelve 7-Eleven stores were transformed into Kwik-E-Marts and sold "The Simpsons" related products. These included "Buzz Cola", "Krusty-O" cereal, pink doughnuts with sprinkles, and "Squishees". In 2008 consumers around the world spent $750 million on merchandise related to "The Simpsons", with half of the amount originating from the United States. By 2009, 20th Century Fox had greatly increased merchandising efforts. On April 9, 2009, the United States Postal Service unveiled a series of five 44-cent stamps featuring Homer, Marge, Bart, Lisa and Maggie, to commemorate the show's twentieth anniversary. "The Simpsons"
The Simpsons spot. Cartwright is the only one of the six main "Simpsons" cast members who had been professionally trained in voice acting prior to working on the show. Azaria and Shearer do not voice members of the title family, but play a majority of the male townspeople. Azaria, who has been a part of the "Simpsons" regular voice cast since the second season, voices recurring characters such as Moe Szyslak, Chief Wiggum, Apu Nahasapeemapetilon and Professor Frink. Shearer provides voices for Mr. Burns, Mr. Smithers, Principal Skinner, Ned Flanders, Reverend Lovejoy and Dr. Hibbert. Every main cast member has won a