David Michael Koechner is an American character actor (film, television and stage), comedian and musician.

Koechner began studying improvisational comedy in Chicago at the ImprovOlympic, under the teachings of Del Close, before joining the Second City Northwest. After one-year stints of doing sketch comedy on Saturday Night Live and Late Night with Conan O'Brien, he began taking small parts in films such as Man on the Moon and Wag the Dog. While filming the country mockumentary Dill Scallion, Koechner befriended Dave 'Gruber' Allen, forming The Naked Trucker & T-Bones Show. The act became a hit at Hollywood clubs such as Largo, and the duo were invited to open for Tenacious D.