Jason Sudeikis, Paul Rudd, Rob Riggle and David Koechner: Homegrown celebrities kick off Big Slick

David Koechner of "Anchorman" fame walked in first and let out a loud "wooooo!" when he saw the room full of reporters and cameras.Â Right behind came Rob Riggle, Jason Sudeikis and Paul Rudd, founders of the Big Slick charity event that raises money every year for Children's Mercy.

Source: The Kansas City Star