Here's a mallet-wielding clown, and it sure isn't Gallagher. This one smashes heads in front of onlookers who think they're next.
Prop skulls crush, blood splatters and the passersby watch -- then run -- in supposed terror.
The video (above) is titled "Killer Clown Scare Prank," and it's killing it on the Internet.
(Hat tip, Elite Daily)