Played Dr. Keeley in Joseph Meissner's "Flood Streets"
Co-produced, co-wrote (with Rob Reiner) and co-starred in the parody show "The TV Show"
Co-wrote and co-starred in the TV special "A Spinal Tap Reunion"
Feature screenwriting debut, "Real Life"; co-wrote with Albert Brooks
First film as an adult, "Cracking Up"; appeared as a member of The Credibility Gap
Joined NBC's "Saturday Night Live" as a writer/performer
Joined the cast of HBO's "Not Necessarily the News"
Re-teamed with Christopher Guest for "A Mighty Wind"
Reprised roles for "The Simpsons Movie," an animated feature based on the long running FOX series
Worked as a freelance journalist and high school teacher after college
Co-founded the comedy troupe The Credibility Gap
Hosted, created and executive produced the Comedy Central series, "The News Hole With Harry Shearer"
Hosted, wrote and created the radio program, "Le Show" for NPR (National Public Radio)
Made film debut in "Abbott and Costello Go to Mars"
Portrayed G. Gordon Liddy in the Watergate comedy "Dick"
Achieved cult celebrity status playing bassist Derek Smalls in "This Is Spinal Tap"; also co-wrote the screenplay and songs
Cast in the pilot of "Leave It to Beaver" (CBS); played Wally's friend Frankie; replaced by Ken Osmond (as Eddie Haskell) when series went into production
Co-wrote and produced Albert Brooks' comedy album, <i>A Star is Bought</i>
Earned a Grammy nomination for Best Comedy Album for <i>Songs Of The Bushmen</i>
Played a journalist in the films "Godzilla" and "The Truman Show"
Re-teamed with Guest to play an actor in "For Your Consideration"
Returned to TV, playing a hippie in the telefilm, "Serpico: The Deadly Game"
Voiced a Dog Announcer in the animated feature "Chicken Little"
Wrote, directed and starred in his own TV special, "It's Just TV!"
Provided voices for a series of Spitting Image comedy specials
Provided voices to Principal Skinner and many other characters for FOX's "The Simpsons"; earned an Emmy nomination for Outstanding Voice-Over Performance in 2009
Released the album <i>Songs: Pointed & Pointless</i>, through his Courgette Records label
Returned to NBC's "Saturday Night Live" as a writer/performer
TV debut, as a child, "The Jack Benny Show"
Wrote, directed, produced and appeared in the comedy special, "Paul Shaffer: Viva Shaf Vegas"