Lukewarm was a fictional character in the popular BBC sitcom Porridge. He was played by Christopher Biggins. Lukewarm is a rotund young man with a calm and personable demeanour, who originates from Middlesbrough. The circumstances that brought him to be in prison are unknown although in one episode he jokingly relieved Mr. Barraclough of his wristwatch in a manner strongly suggestive of a skilled pickpocket. He is known to be gay. He has a boyfriend called Trevor on the outside who is a watch repairer from Southport and who appears in the episode "Men Without Women". He shared a cell with Blanco. Lukewarm is often seen knitting.