Mary Kay Bergman (June 5, 1961 – November 11, 1999) was an American voice actress and voice-over teacher who voiced Daphne Blake from the Scooby-Doo franchise from 1998-2000. She provided the voice of Jessie's yodeling in the Woody's Roundup TV show in Toy Story 2. Bergman suffered from bipolar disorder and committed suicide by gunshot in 1999.