Marcia Wallace voice of Mrs. Edna Krabappel on the Simpsons passed away Friday the 25th due to complications from pneumonia.  Produce Al Jean confirmed that they are going to retire her character.  He also went on to say that her character Mrs Krabappel was not the main character that the show has planned to kill off. 

Marcia has not only been the voice of Edna Krabappel from the Simpsons but has also been repeat characters in Full House, The Young and The Restless, and The Bob Newhart Show.