Miles Tredinnick, also known as Riff Regan, (born Warrington 18 February 1955) is a rock musician, songwriter and a stage and screenwriter. In the 1970s, he was the lead singer with the British rock band London. Afterwards he went on to write comedy plays for the stage. He has also written scripts for Frankie Howerd, including the television special Superfrank! and the stage comedy Up Pompeii!