Dave Attell's Insomniac Tour was a comedy tour featuring Dave Attell along with his friends and fellow stand-up comedians Greg Giraldo, Sean Rouse and Dane Cook which took place in Las Vegas, Nevada.

[1][2][3] At every performance of the Insomniac tour, Attell featured a toast to friend and former tourmate, Mitch Hedberg, who died on March 29, 2005.

[citation needed] Maxim wrote "Yet Attell still steals the show.

Offensive in all the right places, and tubby everywhere else, his theory on why a penguin can never be a waiter deserves to be scientific law.

Separately, they are impressive, but combining like a comedy Voltron, the quartet could be the most impressive force in stand-up—with Attell forming the very bald lion head.