Thea White, the voice behind Muriel on 'Courage The Cowardly Dog', passes away at 81
White passed away two days after undergoing a second surgery related to liver cancer.

He said the voice actor passed away "peacefully" on Friday morning at Cleveland Clinic in Ohio two days after undergoing a second surgery related to liver cancer.
White's nephew Brad Zitzner said White got an infection following the surgery.
"Sadly we lost our legendary Feefer (the voice of Muriel) on Friday morning after she fought hard with courage to try to beat her liver cancer and to resume life or to die trying. (She ended up with an infection after cutting out the damn cancer)," he wrote on Facebook.
A New Jersey native, White began acting professionally on stage in her 20s. She also worked as a librarian and the personal assistant to actor Marlene Dietrich.
She voiced the character in all the episodes of the series, which ran for four seasons from 1999 to 2002.
White also voiced Muriel in several spin-offs and specials, including 'Scooby Doo' and 'Courage the Cowardly Dog' crossover special, the video game 'Cartoon Network Racing' and the short film 'The Fog of Courage'.
Her last appearance as Muriel will be in animation movie 'Straight Outta Nowhere: Scooby Doo Meets Courage the Cowardly Dog', scheduled to come out this year.
She is survived by her brothers, John Zitzner and Stewart Zitzner, her nieces, nephews, grand-nieces and grand-nephews.
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