Mathew John Baynton (born 18 November 1980) is an English actor, writer, comedian, singer, and musician best known as a member of the British Horrible Histories troupe in which he starred in the TV series Horrible Histories; as well as an actor in Yonderland and Ghosts. He was also the co-creator, writer and star of the sitcom The Wrong Mans. Other major television roles include Deano in Gavin & Stacey, Chris Pitt-Goddard in Spy, Simon in Peep Show, and twin brothers Jamie Winton and Ariel Conroy in You, Me and the Apocalypse.

Early life
Baynton was born in Southend-on-Sea, Essex. He is the youngest of three boys, with two older brothers, Daniel and Andrew. He was educated at Southend High School for Boys. He graduated with first class honours from the Rose Bruford College of Speech and Drama, and later trained in clowning at École Philippe Gaulier in Paris. Baynton explained his motivation in an interview with Metro: "The performing instinct came from making my family laugh, so I've always been drawn to the funny side of things. Comedy is really rewarding."