The Adventure of the Greek Interpreter Sherlock Holmes, far from being a one-off in terms of his powers of observation and deductive reasoning, in fact has an elder brother whose skills, or so Holmes claims, outstrip even his own. As a consequence of this, Watson becomes acquainted with the Diogenes Club and his friend's brother, Mycroft. Mycroft, as Watson learns, does not have the energy of his younger brother and as a consequence is incapable of using his great skills for detective work: In spite of his inertia, the elder Holmes has often delivered the correct answer to a problem that Sherlock has brought to him.
Popular culture references to Sherlock Holmes is, in fact, Lupin. After legal objections from Conan Doyle, the name was changed to "Herlock Sholmès" with the pseudonym "Holmlock Shears" in the earliest English versions. Holmes returned in two more stories collected in Volume 2, "Arsène Lupin contre Herlock Sholmès", having opened the floodgates to less flattering versions of Holmes. One of the more recent parodies in print is "The Lord Mike Saga", wherein Mycroft Miles (née Mills) is the Holmes figure, with the titles reflecting the styles: "A Study in Varlets", "The Strange Case of the Moth-Eater of Clapham Common", "Happy Times and Places", and "A Cameo