Linda Porter (January 31, 1933 â€" September 25, 2019) was an American
actress. She appeared in numerous feature films, television programs,
advertisements and music videosâ€"most prominently in the series
Superstore and Twin Peaks and the film Dude, Where's My Car?. She died
of cancer on September 25, 2019.Porter appeared as the sample lady in
a series of Nature Valley Cereal television commercials, which aired
in the United States. She also played the part of the demonic old lady
at the end of the Tenacious D music video "Tribute". Linda Porter (actress) Biography, NetWorth, Height, Age, Weight, Family, Married, Son, Daughter