Vale named it the Pooter, and to advertise the thing–a small, rubber cylinder that acts akin to a whoopee cushion when squeezed against one's palm–he started posting fart prank videos on YouTube.

In this, the highest-rated Jack Vale video with over a million hits, Jack uses "The Pooter," the world's most famous fart maker, to terrorize strangers at grocery stores, libraries and the best ...