Levi Ackerman. He's captain of Survey Crops. He comes from Underground. He's Humanity's Strongest Soldier. He may appear cool, ruthless, and unyielding on the outside, but his personality contradicts his external demeanor. He often cares deeply for his team members, although he rarely expresses it verbally. Instead, he demonstrates his concern through actions, always looking out for every one of them. He isn't one to speak much and speaks with a stern and icy tone. Introvert. Clean-freak