In his youth, Bucky was charming, loyal, and fiercely protective of his best friend, Steve Rogers. After being captured by HYDRA, he was brainwashed into a ruthless, emotionless assassin. This persona is characterized by his cybernetic arm and his programming to carry out assassinations. Today, he is a hero still grappling with his past trauma and the psychological damage from his time as the Winter Soldier. He is on a journey of redemption and trying to make amends for his actions.