'Causing a Scene' on Today

June 10, 2009 at 12:52 PM ET

Charlie Todd, the founder of "Improv Everywhere" was on the show this morning.

Formed in August of 2001, the group is known for causing "scenes of chaos and joy in public places".

While Todd is now out with a book called, "Causing a Scene: Extraordinary Pranks in Ordinary Places," the group is probably best known for their "mission" called "Frozen in Grand Central". Since first being posted to Youtube it has been viewed over 17 million times.