Caine is a highly skilled and deadly assassin featured in the action-packed John Wick series. Known for his exceptional martial arts abilities and precision with weapons, Caine is both a formidable adversary and a complex character. His deep connection with the series' protagonist, John Wick, adds layers to his role, as he often finds himself torn between friendship and duty. Throughout the series, Caine grapples with his own moral compass, making him an intriguing and multifaceted character in this adrenaline-fueled universe.