He lives in a pineapple under the sea — need we say more?

Fans in more than 170 countries rejoice as animated sea creature SpongeBob SquarePants celebrates his 10th anniversary on television this Tuesday.

Comedians Robin Williams, Will Ferrell, and Ricky Gervais will appear as themselves in a one-hour anniversary SpongeBob special to be broadcast on Nickelodeon this fall.