Bart Simpson - or least his voice - returned home to Kettering, Ohio, to visit her family during the Thanksgiving weekend. Nancy Cartwright says she doesn't mind having a well-known voice and an unknown face. "I like the invisibility because it gives me the choice to reveal it or not," she said. Cartwright says was supposed to try out for the voice of Lisa Simpson but had a hunch she could do Bart better. "Actually with the sound of my voice, I do boys better than I do girls," she said. "I had no idea that it was going to be the runaway hit that it is.