Who is the character John Wick's neighbor, and how does she fit into the John Wick universe?

In the John Wick universe, the character known as John Wick's neighbor is named Charon, played by Lance Reddick. He is the concierge at the Continental Hotel, which is a neutral ground for assassins in the John Wick universe. Charon is often seen assisting John with his needs, whether it's a new suit or a new weapon.

Charon is a major character in the John Wick films, appearing in all three movies in the trilogy. He also appears in the spin-off TV series, The Continental. Charon is a quiet, reserved character who is always professional and calm, no matter what chaos is happening around him.