Matt Groening
AGE: 53
OCCUPATION: Cartoonist, creator of The Simpsons and Futurama
NUMBER OF TIME COVERS: 1 (Bart Simpson)
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: Created the award-winning Simpsons which, now in its 18th season, is the longest running in television history. Will be releasing the first full-length Simpsons feature film later this year.
CON: The show's popularity, and some would argue its quality, has declined over the years. While the first season had an average of 13.4 million viewers, the 17th averaged only 9.2 million.