David Letterman has been his idol, one whose success he has tried to emulate, since he was a child.

His favorite movie is The One and Only (1978).

Underwent successful emergency appendectomy surgery on June 20, 2007, in Los Angeles.

Brother-in-law of Carly Hirsch.

Has narcolepsy but keeps it under control with medication.

Along with fellow actor/comedian Adam Carolla and Daniel Kellison, he runs his own production company, Jackhole Industries. It usually backs most of the projects that he is involved with.

Met 16-year-old Carson Daly when he discovered Carson's dad was in a fraternity with Bill Foster (The Fox on "The Man Show" (1999)). Carson immediately became Jimmy's intern at the radio station. Jimmy was to have been best man at Carson Daly's wedding to Tara Reid, later canceled.

In 2007, his show's producer requested the voice of Chinese American actress Linda Wang as the Voice Announcement in Chinese Mandarin introducing him for GM Style overseas.

Nephew of Frank Potenza.

Held a variety of radio jobs.

Cousin of Ivy Iacono and Sal Iacono.

Met Carson Daly when Daly was 16 and made him an intern at his radio station. Was to be the best man at Daly's wedding to Tara Reid.

His "Jimmy Kimmel Live!" (2003), formerly known as "The Jimmy Kimmel Project" (2002), is set to switch from Comedy Central to ABC in 2003 following "ABC News Nightline" (1980).

Cousin Sal (Sal Iacono) did his old job on Ben Stein's game show in its final season.

[October 22-26, 2007] Broke the Guinness world record for most miles flown in a five-day work week (30,000-plus miles back and forth from New York to California), hosting two television shows.

Children: Katherine Katie Kimmel, 14, and Kevin Kimmel, 12 (as of 2005).

Of Italian and German extraction.

Brother of Jonathan Kimmel and Jill Kimmel.

Worked in Los Angeles as "Jimmy the Sports Guy" until he started "The Man Show" (1999).

Grew up in Las Vegas.

Boyfriend of Sarah Silverman.

Attended the University of Nevada at Las Vegas for one year and Arizona State University for two years but never received a degree.