We've brought you a lot of really great horror pranks with our COOL HORROR VIDEOS columns, including Killer Clowns, telekinetic priests, flesh eating zombies, and more. And while I often question if these pranks are genuine or if they're about as real as reality television (fake! fake! fake!), I still get a kick out of them. Today we have yet another horror-themed prank, this one featuring a chainsaw-wielding baddie in a parking garage. Dig it below!