Mary Kay Bergman

Mary Kay Bergman (born June 5, 1961) is an American voice actress.
Bergman was probably best known for portraying the voice of most of the female characters on the animated sitcom South Park, and the first voice of main character Timmy Turner on the animated show The Fairly OddParents.
Bergman was married to Dino Andrade, who was also a voice actor. She was also good friends with The Simpsons voice actress Nancy Cartwright and Grey DeLisle.
Bergman suffered from bipolar disorder and generalized anxiety disorder which she hid from her family and friends. Her last appearance was on November 11, 1999 during a radio show that was celebrating Disneyland's 45th anniversary. Later in the day, she shot herself in the forehead just above her nose with a Mossberg 12-gauge shotgun. She was found by her husband and a friend.