Mycroft Holmes (BBC series)

Mycroft Holmes is one of the main characters of the 2010 television series, Sherlock, a modern take on the characters from Sherlock Holmes novels. He is the eldest son and child of Mr. and Mrs. Holmes and the older brother of Sherlock and Eurus Holmes.

According to Sherlock, Mycroft is the British government, even though Mycroft claims it is a "small position"