Bonnie Biess

Between your foolproof stencil of Justin Bieber's face and an endless supply of premium 99 cent carving tools, you probably envisioned yourself minutes away from that dreamy pop star pumpkin glowing all over your neighbors' jealous faces. What could go wrong?

Photobombs are the (often intoxicated) work of a dude who stealthily weasels his way into your photographs, completely marring what would've been a nice clean picture of you and your boo on your romantic vacation.
But it doesn't stop here. This snapshot wrecking ball genius has pets.