Pamela Hayden, who has voiced various characters including Bart’s best friend, Milhouse Van Houten, is retiring from the animated show after 35 years, Fox confirmed Wednesday. Hayden’s final episode — titled “Treehouse of Horror Presents: Simpsons Wicked This Way Comes” — will air Sunday, Nov. 24.

Hayden, 70, has voiced Milhouse, Bart Simpson’s eternally 10-year-old best friend, since he first appeared on the hit show in 1989. The hapless blue-haired, near-sighted character has since appeared in hundreds of episodes, and become a firm favourite among fans.

The “Simpsons” voice actor behind Milhouse Van Houten, Bart Simpson’s nearsighted best friend with plenty of blue hair and little social cachet, announced her departure from the show after 35 years. Pamela Hayden starred in nearly 700 episodes of “The Simpsons,