Inspired by Real-Life Events: The character of John Wick and the concept of the series were partly inspired by real-life events.
Screenwriter Derek Kolstad was reportedly inspired to write the character after learning about the experiences of a retired police officer who had suffered a series of tragic losses and then sought vengeance.
Keanu Reeves' Intensive Training: Keanu Reeves, known for his dedication to authenticity in his roles, underwent extensive firearms and martial arts training to prepare for his role as John Wick.
He trained with firearms experts and martial arts instructors to master the precise movements and techniques required for the character's intense action sequences
Reeves' commitment to his training contributed to the realism and fluidity of the fight scenes in the films.
The Continental Hotel: The Continental Hotel, a central location in the "John Wick" series, is inspired by real-life historical landmarks.
The hotel's concept draws from the tradition of "continental" hotels that were historically established in major cities to cater to international travelers. In the films, the Continental serves as a neutral ground for assassins, where they can conduct business without fear of harm.
John Wick's Tattoos: The tattoos on John Wick's body hold significance and are not merely decorative.