Editor’s Note: We’re counting down this year’s most popular quizzes. Coming in at #3 is Ethan’s quiz on Simpsons guest stars, which we first posted back on January 26th.

A slew of guest stars have lent their voices to The Simpsons during the show’s 20-season run, and although some guests simply play themselves, the most memorable one-off characters often have a guest voice behind them. In honor of last week’s news that the show has been renewed for two more seasons, let’s find out if you know who voiced some of these gems.

Take the Quiz: Simpsons Guest Stars