Improv Everywhere

Everything About Fiction You Never Wanted to Know.
/wiki/Improv Everywherecreator
Yay for annoying the management!!
We Cause Scenes.
Improv Everywhere's motto

Improv Everywhere is the improvisational troupe founded by Charlie Todd that goes into New York and does really odd (and awesome) stuff for their own amusement. Known for pulling off a fake U2 concert atop a roof top where a real one was about to be held (before being pulled away by cops), riding a subway with no pants en masse (before being pulled away by cops), and going to Best Buy dressed in blue shirts and tan khakis like employees (before being pulled away by cops.)

Improv Everywhere provides examples of the following tropes: