Facebook Founder Mark Zuckerberg “The Simpsons” Guest Appearance

D’oh! Facebook co-founder and CEO Mark Zuckerberg will appear as himself on an episode of the upcoming season of FOX’s long-running animated series The Simpsons, New York Magazine reported Thursday.

At 26, Zuckerberg is believed to be the world’s youngest billionaire, toting a net worth of $4 billion. He taped his appearance for an episode titled “Loan-A Lisa” this week. In the spot, the Harvard drop-out reminds Lisa Simpson and her Springfield bully Nelson that many successful billionaires never finished college when he runs into them at a convention for entrepreneurs. Zuckerberg will also advise the students on how to successfully run a bike shop.

The new season of The Simpsons – the show’s unprecedented 22nd – premieres Sept. 26. The Zuckerberg episode is expected to air in October.

It’s been a big week in Facebook land. On Wednesday, the social networking giant that it now has more than 500 million members, more than doubling its usership in just one year.