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.
Jack Frost (detective) with Superintendent Mullet being the victim. The second ending was the one officially used (with David Jason's support). The ending in which Frost dies was screened during a tribute to the show on ITV1 on April 6, 2010. Frost is a recipient of the George Cross, which sometimes serves as a plot element in allowing him to get away with actions that would otherwise have landed him in trouble. He tends to experience survivor guilt whenever his George Cross is brought to mind. Jack Frost (detective) Detective Inspector William Edward "Jack" Frost, GC, is a fictional detective created by R.