Justin Fletcher MBE (born 15 June 1970) is an English actor, comedian and television presenter on the BBC pre-school television channel CBeebies. Speaking and performing in various, often self-created, roles, he specialises in slapstick comedy and works with children with special needs through his show Something Special. Fletcher also appears as the award-winning comedian Mr. Tumble.
He voices Shaun, Timmy and other characters in the Shaun the Sheep and Timmy Time spin-off franchises.