Marcia Wallace — known for voicing The Simpsons character Edna Krabappel, who would often deliver a distinctive "Ha!" — died at age 70 from breast cancer on October 25, according to Deadline.
Marcia died "due to complications from breast cancer, of which she was a long and proud survivor and advocate for women and healing," her friend Cathryn Michon says.
"Ironically, it was during breast cancer awareness month, during which she was always a funny ray of hope for so many," her friend continues. "I’m devastated."
Marcia was first diagnosed with breast cancer in 1985, and her husband Dennis died of pancreatic cancer in 1992. The couple had an adopted son together.
Marcia is also known for playing receptionist Carol Kester on The Bob Newhart Show in the '70s and for appearing on The Merv Griffin Show over 75 times.
Her The Simpsons co-stars are paying their respects. "Cheers to the hilarious, kind, fab Marcia Wallace, who has taken her leave from us," Yeardley Smith, who voices Lisa Simpson, tweeted.
The Simpsons producers announced last month that they would soon be killing off a regular character, but Marcia's death is not connected to that, and Edna Krabappel is not the chosen character.
"I was tremendously saddened to learn this morning of the passing of the brilliant and gracious Marcia Wallace,” Simpsons producer Al Jean says. “She was beloved by all at The Simpsons, and we intend to retire her irreplaceable character."
"Earlier, we had discussed a potential storyline in which a character passed away," Al continues. "This was not Marcia’s Edna Krabappel. Marcia’s passing is unrelated and again, a terrible loss for all who had the pleasure of knowing her."
Our thoughts are with Marcia's family and loved ones during this difficult time.