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
Young Sherlock Holmes: Black Ice older brother Mycroft continues to increase. Sherlock's older brother, who works in espionage, invites Sherlock and Amyus to visit him in London, and is quickly framed for murder. In an unprecedented move Mycroft breaks his fixed orbit, and takes a trip to Russia to investigate whether or not events in that country are related to his murder accusation. Amyus, a very tall man, who helps Sherlock investigate Mycroft's murder accusation. Being his tutor he is attempting to hone Sherlock's observational and deductive skills along the way. Rufus Stone is a violinist who becomes involved in the adventure when Mycroft reveals