Maggie Simpson Maggie's occasional speaking parts and other vocalisations are currently provided by Nancy Cartwright, but she has also been voiced by guest stars James Earl Jones, Elizabeth Taylor and Jodie Foster, and by series regulars Yeardley Smith and Harry Shearer. Maggie has appeared in various media relating to "The Simpsons" – including video games, "The Simpsons Movie", "The Simpsons" Ride, commercials and comic books – and has inspired an entire line of merchandise. "The Simpsons" uses a floating timeline in which the characters do not physically age, and as such the show is assumed to be set in the current year.
The Simpsons (franchise) 7-Eleven stores. 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" is the first television series to receive this recognition while the show is still in production. The stamps, designed by Matt Groening, were made available for purchase on May 7, 2009. Approximately one billion will be printed. Microsoft produced a limited edition "The Simpsons Movie" Xbox 360. Samsung released "The Simpsons Movie" phone, however the quality of build on ths phone left it prone to screen