Armin Arlert

__Height__: 163 cm (5'4")
__Position__: 104th Trainees Squad, Scouting Legion
__Graduation Rank__: Outside the top 10

Eren's 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.~!He later inherits the Colossal Titan by eating [Bertolt Hoover](https://anilist.co/character/46488/)!~In chapter 132, ~!Hangi declares Armin Arlert as the 15th commander of the Survey Corps!~
(Source: Wikipedia)

Note: Armin Arlert is the official English translation by Kodansha.