Nancy Cartwright voices the mischievous 10-year-old son, Bart, in the animated TV show, The Simpsons. "I don't know of any other character that has more catch-phrases than Bart," she says. Courtesy of FOX hide caption

itoggle caption Courtesy of FOX

Starting Thursday, FXX will air all 552 episodes of The Simpsons in the longest single-series marathon in TV history. AP hide caption

itoggle caption AP