Tommy Tiernan (/ˈtɪərnən/; born 16 June 1969) is an Irish comedian, actor and writer. He and Hector Ó hEochagáin presented The Tommy and Hector Show on i102-104FM. Tiernan also featured in Father Ted as Fr. Kevin.

Tiernan was born in Carndonagh, County Donegal.[1] His father is a native of County Kerry while his mother is from County Limerick. He moved, with his family, from County Cork as a child. After spells living in Zambia and London, he attended the same school as Irish television presenter Hector Ó hEochagáin and Dylan Moran, in St. Patrick's Classical School, Navan, County Meath, a Roman Catholic junior seminary.[2][3] He later attended a boarding school, Garbally College, in Ballinasloe, County Galway.

Tiernan has appeared several times on The Late Late Show. In the United States he has appeared several times on the Late Show with David Letterman.[4] Recently[when?] he appeared on the Michael McIntyre Comedy Roadshow, Lee Mack Show, DAVE's One Night Stand, QI and joined comedic legends Eddie Izzard and Ross Noble at Laughs in the Park.

In 2009, Tiernan set the Guinness World Record for the longest stand-up comedy show by an individual achieving 36 hours and 15 minutes at Nuns Island in Galway (12 April 2009).[5] Later in 2009 that record was broken by Australian comedian Lindsay Webb. However, the new record now stands at 40 hours, and was set on 23 September 2010 by the American Comedian Bob Marley.

In "Going to America", the final episode of the clerical sitcom Father Ted, Tiernan plays a young priest whose suicide attempt is foiled by Ted at "It's Great Being a Priest '98". He is later cured of depression by the "Theme From Shaft", but subsequently relapses after overhearing the Radiohead song "Exit Music (For a Film)".

In the 1999 Channel 4 sitcom Small Potatoes, Tiernan took the lead role of Ed Blewitt, an underachiever who works in an east London video rental shop. It ran for 13 episodes over 2 seasons, ending in 2001.[6]

In 2008, Tommy and Hector Ó hEochagáin formed as a radio duo on The Tommy and Hector Show on i102-104FM after hinting at a desire to be on the radio, months before on The Late Late Show. Speaking about his role, Tommy said, "I’ve always wanted to have loads of craic on the radio. What better way to have a mountain of devilment than to do a show with my best friend."[7] Following the success of their show on iRadio Northwest, the show moved to the nationwide slot of Saturday 10am-12pm on 2FM.

In 2013, Tommy performed in Vicar St, Dublin, for his 200th show, in front of an audience of 1000 people.[8]

To date Tommy has over 8 stand up Comedy DVD's: Tommy Tiernan Live, Cracked, Loose, Jokerman, Ok Baby, Bovinity, Crooked Man and Stray Sod.