His book, Ratburger, will be made into a one-off drama for Sky1.Since 2012 Walliams has been a judge on the ITV talent show Britain's Got Talent with Amanda Holden, Alesha Dixon and Simon Cowell.Walliams portrayed comedian Frankie Howerd in the BBC Four television film Rather You Than Me.
From 2003 to 2005, Williams co-wrote and co-starred in three series of the BBC sketch show Little Britain with Matt Lucas.
The programme first aired on BBC Three before moving to the more mainstream BBC One.
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.
Walliams was educated at Collingwood Boys' School in Wallington, and Reigate Grammar School in Surrey, where he was a contemporary of Robert Shearman.