Couple become viral smash with more than 100 prank videos, 150 million views. March 28, 2012— -- They're now called YouTube's "craziest couple." But in October of 2007, Jesse Wellens thought it ...

Watch as unsuspecting victims fall for sneaky swaps and outrageous surprises. Whether it’s a harmless scare or a prank that goes hilariously off the rails, this collection proves that laughter really ...