Timothy Charles Whitnall is an English actor, playwright and screenwriter. He is known for playing Angelo in the long-running CITV series Mike and Angelo and narrating the BBC children's TV programme Teletubbies from 1997 to 2001. As a writer, he has won a BAFTA and an Olivier Award for his work on TV movie Best Possible Taste: The Kenny Everett Story and play Morecambe. He is also a voice actor, providing voices on characters from television shows such as Fifi and the Flowertots, Roary the Racing Car, and Thomas & Friends.

Mike and Angelo is a British children's television, sci-fi sitcom series, that ran on CITV between 16 March 1989 and 7 March 2000. The show is ITV's longest running sitcom.