"One thing that I love about Milhouse is he’s always getting knocked down, but he keeps getting up. I love the little guy"The Simpsons voice actor Pamela Hayden, who has voiced Milhouse and several other characters on the show for over 35 years, has announced that she is retiring. Hayden has voiced Milhouse Van Houten – the blue-haired best friend of Bart Simpson – for almost 700 episodes since the show first began in 1989. Her final episode will be Treehouse Of Horror Presents: Simpsons Wicked This Way Comes, which airs on November 24. As well as Milhouse, Hayden also...