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.
Adaptations of Sherlock Holmes Watson". William Rushton played Watson. In 1988, the animated series "Alvin and the Chipmunks" aired an episode entitled "Elementary, My Dear Simon", which stars Simon as Holmes, Theodore as Watson, Alvin as Professor Moriarty, and Dave as Inspector Seville. Also in 1988, in the animated series "BraveStarr", the two-part episode ""Sherlock Holmes in the 23rd Century"" had Holmes transported from Reichenbach Falls in 1893, to London in 2249. Holmes is joined by an alien, Dr. W't'sn (the 23rd century counterpart of Watson) & Inpsector Mycroft Holmes of Scotland Yard (a direct descendant & namesake of Holmes' brother Mycroft); the trio