Mycroft Holmes was the brother of Sherlock Holmes and an ally of Bernice Summerfield. (AUDIO: The Adventure of the Diogenes Damsel)

In 1911, he invited Sherlock to the Diogenes Club. He wanted his expertise to discover who was behind the explosion in bookshops. (AUDIO: The Adventure of the Bloomsbury Bomber)

The Seventh Doctor, Ace and Benny met Mycroft while he was in the employ of the British government. (PROSE: All-Consuming Fire)

In 1916, Mycroft was working for the British government during World War I. (PROSE: The Found World)

Behind the scenes

In 2010, Steven Moffat and Mark Gatiss created the BBC Wales series Sherlock, starring Benedict Cumberbatch as Sherlock. Steve Thompson is the third main writer of the series. In their version, Mycroft Holmes, played by Gatiss himself, is a major character, featuring in nine of the ten episodes so far.

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