The robot's facial expression is perfect.
Here is another compilation of people getting the crap scared out of them.
This guy had the shit scared out of him, literally.
Yet another person scared by the maze game on killsometime.com
This guy scares the hell out of his girlfriend with a creepy clown riding a tricycle.
Another compilation of people being scared.
Now that's how you scatter a crowd!
Scare Tactics trick a plumber into thinking the owner killed his wife and stuck her in the bathtub.
A snowman display drops his sign and the unsuspecting shoppers attempt to put it back.