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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. She suffered from bipolar disorder and committed suicide by shooting herself.