Admiral Sir Miles Messervy is usually known as "M" in the James Bond novels and films. In the series, "M" is the head of the British Secret Intelligence Service, also known as MI6, and serves as James Bond's superior and boss. The character of "M" was created by Ian Fleming, the author of the James Bond novels, and has appeared in most of the Bond films, played by various actors over the years. The character is known for his no-nonsense approach, his authority, and his trust in Bond's abilities as a spy.

Admiral Sir Miles Messervy, commonly known as "M," holds a significant role in the James Bond novels and films. As the head of the British Secret Intelligence Service, MI6, "M" serves as James Bond's superior and chief. Created by Ian Fleming, the character has been portrayed by various actors in the Bond film series.

"M" is characterized by a no-nonsense demeanor, authoritative presence, and a deep trust in James Bond's capabilities as a secret agent. The dynamic between Bond and "M" has become a central element in the James Bond franchise, contributing to the intrigue and suspense that defines the series.