Mikasa Ackerman

Mikasa Ackerman (ミカサ・アッカーマン) is the adopted sister of Eren Jaeger. She is fiercely devoted to Eren ever since he saved her from human slavers. Thus, while she sometimes does not agree with what Eren does, Mikasa will protect Eren from any who try to harm him. She, along with Armin, joins the Scouting Legion to help Eren retake Wall Maria. Mikasa is considered a military genius and was ranked at the top of her graduating class.

Background
Mikasa and her mother are the last of their race, the orientals. This made them high value targets to human traffickers, who, in Chapter 5, killed Mikasa's parents and kidnapped her when she was only 9-years old. In Chapter 6, she is rescued by Eren who tricks and kills two of the slavers before being strangled. Desperately, Eren urges Mikasa to fight to win. Although she was initially frightened, she came to the realization that "this world is a callous and merciless place" and dispatched the kidnapper killing Eren. This event awakened the fighting instincts and perfect self-control that would later turn her into a formidable soldier. She lived with Eren's family in Wall Maria Shiganshina District until the beginning of the story.

Personality
Mikasa is considerably more withdrawn after the muder of her parents. Howver, she still loves and cares deeply for her friends, such as Eren and Armin. Mikasa has a strong sense of right and wrong, but will always follow Eren. When he once said that her hair was too long, she immediately had it cut, even though someone had just commented that it looked beautiful. Yet, for all her blind loyalty, Mikasa is also very level-headed. In Chapter 7, even though it was believed that Eren was dead, she concentrated on keeping everyone else alive and not giving in to grief as many of her comrades were doing. But if Eren is in danger, Mikasa will stop at nothing to keep him safe, relentlessly attacking the female typa when she captured Eren.

Abilities
Even as a young girl, Mikasa has been a talented fighter, often throwing boys biger than her with ease. Combined with her prodigidous skill in 3D manuvear gear, she can easily take down Titans with speed and efficiency.