Bucky Barnes

As the Winter Soldier, Bucky was an elusive, dangerous, and amnesiac assassin. He was ruthless, brutal, and under the complete control of HYDRA. After Steve Rogers reminded him of his past, Bucky broke from his programming and saved his friend and former target from drowning. Bucky's an empathetic character, not including the years when he was brainwashed by Hydra, while also being humble and more introverted making all of Bucky's traits similar to the ISFJ personality type.