Uncle Jesse Now Hawking Greek YogurtWhitney Jefferson8/16/11 3:00pmFiled to: John StamosYogurtCommercialsWatch99EditPromoteShare to KinjaToggle Conversation toolsGo to permalink John Stamos is on an endorsement spree. First he unleashed the John Stamos Guide To Cuddling to the world, and now he's endorsing a new brand of Dannon yogurt. We think we know the ad company's thought process: Who's a good-looking celebrity who's also known for being Greek? How about that Jesse Katsopolis character? Oh, that's not a real person? Just a guy on 'Full House?' Let's get that guy, anyway. Not that we're complaining, of course.