Who is the character Winston's right-hand man, Charon, and how does he fit into the John Wick universe?

Charon is a character in the John Wick franchise and he is the concierge at The Continental Hotel, a safe haven for assassins. He is portrayed by Lance Reddick in the movies. Charon is Winston's right-hand man and he is responsible for ensuring the safety and security of the hotel and its guests. He is also known for his exceptional fighting skills.

In the John Wick universe, The Continental Hotel is a neutral ground where assassins can rest, recover, and conduct business without fear of being killed. Charon plays an important role in maintaining the hotel's neutrality and keeping the peace between the various factions of assassins. He is also fiercely loyal to Winston, the manager of the hotel, and will do whatever it takes to protect him and the hotel.

Charon's backstory is not explored in depth in the movies, but he is shown to be a skilled and ruthless assassin in addition to his duties as the concierge of The Continental Hotel. He is a fan favorite character in the franchise and his stylish demeanor, calmness under pressure, and loyalty to Winston have made him a standout character.