Today is Jon Heder, aka Napoleon Dynamite's 39th birthday!

Though the actor has been in a slew of movies and shows since his rise to stardom in 2004, everyone will forever remember him as the nerdy guy we all quoted in high school – "Flippin' Sweet"!

MORE: Buy 'Napoleon Dynamite' on Blu-Ray Here!

Click through the gallery to see what the rest of the cast is up to now.