Co-hosted the Fox Sports program "Best Damn Sports Show Period"
Co-starred with Rick Moranis in "Big Bully"
Debuted as a producer for the show "Roseanne" (ABC)
Landed first romantic leading man role in "Happy Endings"
First substantial feature acting credit, "Hero"
Moved to Los Angeles to pursue a standup comedy career
Signed a long-term TV production deal with Warner Bros., with projects to be produced under the Wappello County Productions banner
Won the first place in the Minneapolis Comedy Competition
Appeared as the sidekick to Arnold Schwarzenegger's character in the James Cameron feature film "True Lies"
Appeared occasionally on "Roseanne" (ABC) as the character 'Arnie Thomas'
Began doing stand-up comedy when he was 23
Created, executive produced and starred in the series "The Jackie Thomas Show" (ABC)
First met Roseanne Barr
Hired as a writer for Barr's sitcom "Roseanne" (ABC)
Made feature film debut in a cameo (with Roseanne) in "Freddy's Dead: The Final Nightmare"
Made TV debut in the HBO special "The Roseanne Barr Show"
TV-movie acting debut, "Backfield in Motion"
Wrote and starred in the comedy "The Kid and I"
Co-founded Wapello County Productions with Roseanne
Created and produced the short-lived CBS sitcom "Tom"; also wrote the pilot episode
Executive produced the Saturday morning animated TV series "Little Rosey" (ABC)
Formed the production company Clean Break Productions
Played a supporting role in the comedy "Nine Months"
Returned to series TV as star of The WB sitcom "The Tom Show"
Made TV movie acting debut in "Backfield in Motion" (ABC)
Cast opposite Terrence Howard in the inner-city sports drama "Pride"
First HBO special, "Tom Arnold: The Naked Truth"
Landed recurring guest role on "Sons of Anarchy" (FX)
Appeared in the comedy "Tyler Perry's Madea's Witness Protection"
Appeared opposite Kristen Bell and Bradley Cooper in action comedy "Hit and Run"