Gustav

A strategist of the Garrison Regiment. He devised the plan for the Battle of Trost District alongside Mikasa and Armin. At that time, he adopted Armin's suggestion, which expressed concern over the uncertain aspects of Eren's Titan transformation ability, considering the urgent situation. Since the Battle of Trost, his appearances have gradually decreased. He has not appeared in the Marley arc, and his whereabouts are unknown.