Pamela Hayden has retired from 'The Simpsons' after 35 years.
The actress has worked on the US animated series since 1989 and appeared in nearly 700 episodes as the voice of Milhouse - who is Bart Simpson's best friend - as well as lending her vocal talents to a range of other characters including as Ned Flanders' sons Rod and Todd, school bully Jimbo Jones, Lisa Simpson's friend Janey, and Chief Wiggum's wife Sarah, but she's now decided to call it a day.