Her final episode will be “Treehouse of Horror Presents: Simpsons Wicked This Way Comes,” airing Nov. 24. Hayden voiced Milhouse Van Houten, the blue-haired best friend of Bart Simpson ...

And then there's Bart Simpson and his trusty ... Pamela Hayden, the voice behind our favorite blue-haired, with the Coke bottle glasses 10-year-old, is retiring after being part of The Simpsons ...

"I'll always have a special place in my heart for that blue ... Bart's best friend, Milhouse Van Houten. "The time has come for me to hang up my microphone, but how do I say goodbye to The ...