Premiere: Nancy Cartwright and kids at the Hollywood premiere of Disney and Pixar's The Incredibles - 10/24/2004Steve Granitz, WireImage.com - Friday, September, 22, 2006, 11:22 PM

In 'B.I.: Bartificial Intelligence,' Bart (voiced by Nancy Cartwright) gets a robotic retrofit, part of the Halloween episode 'Treehouse of Horror XVI.' Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

The Simpsons take in the bully, Nelson (voiced by Nancy Cartwright) in the episode 'Sleeping With the Enemy.' Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

Bart (voiced by Nancy Cartwright) hangs with Blink 182 in the episode 'Barting Over.' Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

Backstage with Bart (voiced by Nancy Cartwright) in the episode 'Behind the Laughter.' Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

Bart Simpson (voiced by Nancy Cartwright) Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

Nelson Muntz (voiced by Nancy Cartwright) Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM

Ralph Wiggum (voiced by Nancy Cartwright) Fox's The SimpsonsTuesday, September, 19, 2006, 9:19 AM