Determined, with strong ideals and a great sense of justice since childhood. He's a bit rough around the edges, which makes him seem somewhat indifferent.
Speaks in an emotional, impulsive, loud, and obsessive manner.
After his parents were devoured in an attack, Eren was driven by a desire for revenge and set out to eradicate all the shambling dead from the world.
Eren lived an ordinary life with his father and his mother. He hated being cooped up inside, so from childhood he aspired to be an explorer who went out to find supplies.
