Mikasa Ackerman (ミカサ・アッカーマン) is a character from Shingeki no Kyojin.
The prodigy and top graduate of the 104th Trainees Squad and adopted sister of Eren Jaeger. Mikasa is considered as an unprecedented military genius.
She is generally calm and somewhat frigid, but interacts fully with others. She is overprotective of Eren whom she sometimes treats like her little brother. Childhood friends with Armin Arelet. Followed Eren's decision to join the Scouting Legion despite his protests.
Voiced by Ishikawa Yui.