Ah Berlin, home of the libertine club kid, roving humanoid bratwurst cart and, now, the naked airport security protest! See the kinder smuggle some exposed sausage through Tegel aiport below (SFW, kinda)...
This is ostensibly in response to proposed full-body scans at airport security checkpoints. But really, it looks like yet another reason for those wacky Krauts to have a good time. We'll take this over no-pants subway rides any day.
As for celebrity demonstrators, we hear Robert Downey Jr. is in Deutschland at this very moment. Failing that, maybe Joan rivers could protest her recent mistreatment at the hands of the TSA au naturale (if there's anything natural left).
Here's the "fleshmob":