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Eren Yeager (エレン・イェーガー Eren Yēgā) is a main protagonist of the Attack on Titan anime and manga series. After witnessing the Colossus Titan destroy the Wall Maria, allowing the other titans to get in and kill his father and mother, along with destroy much of the town, he vowed to destroy every last one of the titans. He is the adoptive sister of Mikasa Ackerman.
Eren is very determined and passionate, stopping at nothing to kill all titans. He is als very impulsive, not always thinking before he acts. He is shown to be very brave, sacrificing himself to save Armin.