The Adventure of Sherlock Holmes' Smarter Brother Sacker, shares a similar name with that originally applied to John Watson, Ormond Sacker. The film's title and premise are a joke referring to the character of Mycroft Holmes, Sherlock Holmes' "older" brother, who was by both of their estimates a good deal smarter than Sherlock. He was, however, too lazy to become a detective, and did indispensable work for the British government. Mycroft was described by Sherlock in conversation with Watson: Mycroft is mentioned briefly in the beginning of the film, which presupposes that Holmes was one of three brothers. Sigerson's name refers to an alias used by Sherlock
George Bulman (fictional character) George Bulman (fictional character) Detective Sergeant George Bulman was a fictional detective created by Kenneth Royce in his series of books about The XYY Man (semi-reformed cat burglar Spider Scott), where the character's name was initially Alf Bulman. Here Bulman is presented as a 'bent copper', though the only examples of his corruption given are that he gained promotion to sergeant by persuading down-and-outs to confess to unsolved robberies, in return for a prison sentence which would put them inside during the coldest months of winter. These books were turned into a Granada TV series in the mid-1970s, with actor