While leaving a convenience store in Vancouver,
Zach Galifianakis was swarmed by paparazzi and people wanting autographs. According to FameFlynet, Zach "blew up at the photogs" asking them to stop taking pictures. As you can see, they did. After they got bored.
That's the problem with being a comedian known for dead panning most of your material. Eventually it becomes hard to tell if you're really serious. Like in ...