Age: 15 Height: 163 cm 54 Weight: 55 kg 121 lbs Position: 104th Trainees Squad Scouting Legion Graduation Rank: Outside the top 10 Erens best friend he is physically and emotionally weak. Even though lacking in actual combat Armin is a genius on theoretical courses and can make plans even under extreme pressure. Even so Armin kept on thinking that he is weak. He himself does not notice the things he does for Eren and Mikasa and believes himself to be completely incompetent and hates himself for having to rely on Eren and Mikasa. Source: Wikipedia Note: Armin Arlert is the official English translation by Kodansha.