Marcia Karen Wallace (November 1, 1942 – October 25, 2013) was an American actress and comedian, primarily known for her roles on sitcoms. She is best known for her roles as receptionist Carol Kester on the 1970s sitcom The Bob Newhart Show, Mrs. Carruthers on Full House, and as the voice of elementary school teacher Edna Krabappel on the animated series The Simpsons, for which she won an Emmy in 1992. The character was retired after her death but sporadically appears through archive recording.