Marcia Wallace, the voice of teacher Edna Krabappel on "The Simpsons," has died.
Simpsons executive producer Al Jean said in a statement Saturday that her death is a terrible loss. He says Wallace's "irreplaceable character" would be retired from the show.
The longtime TV actress' credits ranged from playing a wise-cracking receptionist on The Bob Newhart Show to appearances on Candice Bergen's Murphy Brown.
Marcia Wallace, the woman who voiced the character of Edna Krabappel in The Simpsons has died aged 70, according to TMZ.
According to the news agency, the actress had been sick for the past few months and died with her family by her side. Wallace's work playing the cynical Mrs Krabappel won her an Emmy award in 1992.
Mexican film director Guillermo del Toro has been let loose on The Simpsons and directed an eery intro for the show's 24th Treehouse of Horror Halloween episode.
Del Toro, whose films include Blade II and Hellboy, turns the town of Springfield into a place where evil forces have taken over, zombies and monsters reside and nightmares are a reality.
There are around 30 to 40 direct horror movie references in the opening couch gag sequence, including Alfred Hitchcock), Del Toro's 2006 film Pan's Labyrinth and The Shining.
A regular character in The Simpsons is set to be killed off in the latest series of the hit show.
Matt Groening has revealed the real-life town that inspired Springfield.