Erwin is the commander of the Survey corps. He's intelligent, devoted, widely respected, serious, calculating stoic, and a great leader. Willing to sacrifice himself and his men for humanity and his goals. An eloquent speaker and master strategist. Levi the captain in the Survey corps. Can be foul-mouthed and rude, but cares a lot about those closest to him. A great fighter. Abrasive, intimidating, stern, and blunt. Tolerates only a few people. Humanity's strongest. Barely shows his emotions.