Armin Arlert is a major character in the anime and manga series Attack on Titan. He is known for his intelligence and strategic thinking, often playing the role of advisor within the Scout Regiment. Armin harbors a deep fascination with the outside world and dreams of one day exploring it. Despite his gentle demeanor and tendency to panic in dangerous situations, Armin has shown remarkable bravery and a willingness to sacrifice himself for the sake of others. He is close friends with Eren Yeager and Mikasa Ackerman, sharing a unique bond forged during their childhoods. Armin's pacifism and love for books contrast with Eren's violent stance, creating tension in their relationship as their views on the Titans and freedom diverge.