Mathew Frazer Horne (born 6 September 1978) is an English actor, comedian, television presenter, and narrator. He is best known for appearing on several BBC sketch shows and sitcoms, most notably Gavin & Stacey (as Gavin Shipman), The Catherine Tate Show, 20 Things to do Before You're 30, Teachers, Horne and Corden, and Bad Education.