David Williams is an English comedian, actor, author, television personality and activist.
Walliams was born in Merton, London and educated at Collingwood Boys' School in Wallington, and the Reigate Grammar School in Surrey, where he was a contemporary of Robert Shearman. He studied at the University of Bristol.
From 2003 to 2005 Walliams co-wrote and co-starred in three series of the BBC sketch show Little Britain with Matt Lucas. A successful live stage show of the series, Little Britain Live, was produced in 2006. A number of seasonal and charity specials followed, up to 2009. A spin-off series produced in the USA by HBO, Little Britain USA, aired in 2008.
In November 2006, Walliams won the Pride of Britain Award for "The Most Influential Public Figure" as he raised more than £1.5 million swimming the channel for the Sport Relief charity.
Since 2012 Walliams has been a judge on the ITV talent show Britain's Got Talent. He wrote and starred in two series of the BBC One sitcom Big School, playing the role of chemistry teacher Keith Church. He is well known for his partnership with Matt Lucas on the BBC One sketch shows Little Britain, Rock Profile and Come Fly with Me.
Walliams is also a writer of children's books. By the end of 2014, his books had sold over 4 million copies and he has been described as "the fastest growing children's author in the UK”.