April Stewart, also known as Gracie Lazar, is an American voice actress. She is best known for providing the voices of several female characters in the animated comedy series South Park alongside fellow voice actress Mona Marshall. Born and raised in Truckee, California, Stewart started acting at the age of 12. Her father, Freddie Stewart, was a singer with the Tommy Dorsey Orchestra. She gave birth to her first child, a daughter, in 2008.