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
Sherlock Holmes (2009 film) it out further. Some sequences in the movie were more than suggested by uncredited incidents found in a 1979 novel "Enter the Lion: A Posthumous Memoir of Mycroft Holmes". Lord Blackwood's character was developed as a nod to Victorian interests in spiritualism and the later influence of Aleister Crowley. The producer felt he was "almost clever" pitting Holmes, who has an almost supernatural ability to solve crimes, against a supposedly supernatural villain. The plot point, moreover, nods to the Holmesian tale of "The Hound of the Baskervilles", where a string of seemingly supernatural events is finally explained through intuitive reasoning