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
Charles Parker (detective) was played by Edward Petherbridge and Parker was portrayed by David Quilter. In the BBC's radio dramatisations (also starring Ian Carmichael) Parker was voiced by Gabriel Woolf. Charles Parker (detective) Sergeant/Inspector/Chief Inspector Charles "Parker Bird" Parker is a fictional police detective who appears in several Lord Peter Wimsey stories by Dorothy L. Sayers, and later becomes Lord Peter's brother-in-law. He is first introduced in "Whose Body?" as a Detective Inspector from Scotland Yard. In the next book, "Clouds of Witness", he is summoned to assist the local police in the North Riding of Yorkshire who are investigating the death of