Photobombers -- the (often intoxicated) work of a dude who sneaks his way stealthily into your photographs, completely marring what would have been another awesome picture of you and your friends holding up your beers and smiling.

Although often photographed, his kind remains a mystery. Who is this random man? Where did he come from, and what are his motivations? One golden moment of genius and then, in a flash, he's gone.

Wonder at his antics in this gallery of great photobomber moments we gathered from around the web including College Humor and Flickzzz.com...

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