He's surely a good guy, a little overworking and often stressed but kind, helpful and gentle. He's a bit shy and not very good with people. He's really, really traumatized by everything his father did and all the years he spent split into two and put under control of the Allies and the USSR. He kinda suffers from depression due to the fact that throughout his life he was falsely accused of his father's crimes until he convinced himself that he was a monster*