The Adventures of Sherlock Holmes and Dr. Watson (film) invited to The Diogenes Club by Sherlock's older brother Mycroft. The club hosts the most unsociable men of London, and they have banned talking. Once there, Mycroft, asks him to help Lady Eva Blackwell. She is being blackmailed by one of the most villainous men of London, Charles Augustus Milverton who is demanding £7,000 for some letters he has stolen from her, threatening to release them to the public if she does not pay the ransom. Upon their release, the letters would cause a scandal that would end Lady Eva's marriage engagement. Sherlock agrees to help her. The same day,
Sherlock Holmes pastiches Misplaced Hound". In Robert A. Heinlein's "The Moon Is a Harsh Mistress" (1966), one of the characters is a computer, a model "HOLMES IV", which adopts the name Mycroft, after Sherlock Holmes' brother. Julian Symons created a character named Sheridan Haynes, an actor immersed in the role of Holmes for an epic project to adapt the entire canon for television (almost ten years before Jeremy Brett took up a similar challenge), in the 1975 novel "A Three Pipe Problem". Haynes finds himself confusing his own identity with Holmes', and becomes involved in a mystery. The character returned for a 1988