Sarah Jane Vowell (born December 27, 1969) is an American author, journalist, humorist, an commentator. Often referred to as a "social observer", Vowell has authored several books and is a regular contributor to the radio program This American Life on Public Radio International. She was also the voice of Violet in the animated film The Incredibles and a short documentary, VOWELLET - An Essay by SARAH VOWELL in the "Behind the Scenes" extras of The Incredibles DVD Release.