only as "'Er Indoors", is never seen or heard, but often quoted. Hi-de-Hi: Joe Maplin. Tyrannical, greedy and philandering owner of the six Maplins holiday camps. It was intended that he would be played by Bob Monkhouse, but he was unavailable for filming. Joe Maplin communicated with the entertainments staff through sarcastic, hectoring, semi-literate letters which Jeffrey Fairbrother would have to read to the staff. It was implied that sections of these letters contained coarse and vulgar language by the fact that Jeffrey Fairbrother would often skip sections of them under the pretence he was attempting to come to the point more quickly stating something like "Mr Maplin doesn't mince his words" to explain the omissions. Although unseen, there is a statue of Maplin which can be seen adjacent to the holiday camp entrance. Keeping Up Appearances: Hyacinth Bucket has a phone conversation in each episode with her son Sheridan, who has moved out and is attending university. Only Fools and Horses: Monkey Harris, Ugandan Morris, Sunglasses Ron and Paddy the Greek, Del Boy’s business associates. Paddy the Greek and Monkey Harris are mentioned in many episodes, often sourcing Del’s shoddy merchandise, yet are never seen. They are often described in discussions about wild nights down The Nag's Head. On one occasion Del Boy is beaten up on Rodney’s behalf. Rather than admit the truth of his injuries he claims to have fallen down the stairs at Monkey Harris’ house. It transpires Harris lives in a bungalow. The Archers: In this long-running British radio soap opera, a number of permanent inhabitants of the village in which the story is set are frequently referred to but are never heard in their own voices. Fans of the programme often refer to these characters as "the silents". Heartbeat: Throughout its entire 18-year run, PC Alf Ventress refers to his wife Mrs. Ventress, but she is neither seen nor is her first name ever revealed. US television On the mystery drama Columbo, Lieutenant Columbo often describes his wife in detail but she is never seen, heard, or otherwise portrayed in the series. A short-lived, unsuccessful spin-off series Mrs. Columbo was created in 1979 after Columbo had ended its run, but Lieutenant Columbo never appeared. Mrs. Columbo, as played by Kate Mulgrew, was named Kate (although Lieutenant Columbo's wife in Columbo was never given a name). The series gradually severed all ties with the original