Mycroft Holmes in "The Greek Interpreter", his blundering approach to the case nearly costs the client his life. Mycroft resembles Sherlock, but is described in "The Greek Interpreter" as being "a much larger and stouter man". In "The Bruce-Partington Plans", the following description is given: Mycroft spends most of his time at the Diogenes Club, which he co-founded. He is the only character to refer to Sherlock exclusively by his first name. Mycroft Holmes has been portrayed many times in film, television, and radio adaptations of the Holmes stories. The character has been used many times in works that are not adaptations
Walter C. Mycroft Walter C. Mycroft Walter Charles Mycroft (1890 – 14 June 1959) was a British novelist, screenwriter, film producer and director. In the 1920s he was film critic of the London "Evening Standard", and a founder of the London Film Society, before joining the film industry. In 1928 he became Literary Adviser and Scenario Editor at the newly founded studio British International Pictures at Elstree, sometimes working with his friend Alfred Hitchcock. He was by his own account the principal author of Hitchcock's first BIP film "The Ring" (1927), and credited as the author of the original story on which "Champagne"