- Studied improv under Del Close and Charna Halpern at the I.O. (formerly the ImprovOlympic) in Chicago.
- Appeared on Saturday Night Live from 1995 to '96.
- In 1998, he began playing Gerald "T-Bones" Tibbons with Dave Allen in The Naked Trucker Show, a music-and-comedy act performed at alternative Los Angeles nightclubs. The Naked Trucker & T-Bones Show, a TV series based on the act, aired on Comedy Central in 2007; and the album The Naked Trucker and T-Bones: Live at the Troubadour was released that same year.
- Had his breakout role in Anchorman: The Legend of Ron Burgundy (2004).
- Is a founding member of the improv group Beer Shark Mice.
- Has participated in the Big Slick Celebrity Poker Tournament and Party in Kansas City, MO, which benefits a local children's hospital.
- In 2011, he took part in the Stand Up for Joplin telethon, which raised funds for victims of a tornado that devastated Joplin, MO.
- Tours the U.S. performing routines that are a hybrid of stand-up comedy and a one-man show.
- Margaret Ann Downey Koechner — Mother
- Mark Koechner — Brother
- Eve Juliet Koechner — Daughter
- Cecil Stephen Koechner — Father
- Charles Patrick Koechner — Son
- Leigh Koechner — Wife
- Margot Grace Koechner — Daughter
- Joe Koechner — Brother
- Mary Rose Marquart — Sister
- Cecilia Hand — Sister
- Joan Charbonneau — Sister
- William Sargent Koechner — Son
- Audrey Violet Koechner — Daughter
- Attended Benedictine College, Atchison, KS; University of Missouri, Columbia, MO (BA in Politial Science)
Season 5, Episode 20
- Birth Name: David Michael Koechner
- Birth Place: Tipton, MO
- Birthday: August 24, 1962, Virgo
- Profession: Actor, Comedienne, Writer, Producer
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