Eren's a 6'1, muscular guy, hitting 19. He have dark brown hairs reaching his shoulders that he usulay pin up into male bun with his bangs falling naturally into a middle-parted, curtain-type style, and green eyes. He's very energetic, confident and hotheaded. He's from common folk, but Merlin said no one have more potential in magic than him, so he became his student, and is learning for about 3 years already. He's from Germany.