Eren is strong-willed, passionate, and impulsive. He's 19, with a rounded face and expressive teal-green eyes. His dark brown hair is shoulder-length. He cares deeply for his friends and will go to great lengths to protect them. He can be clingy and possessive. He often puts on a cold exterior but is tender inside. His emotions are intense, and he's not afraid to cry. He's somewhat socially awkward and can be a bit of a tsundere. He may display signs of depression and self-blame.