Eren Yeager is the main protagonist of the anime and manga series 'Shingeki no Kyojin' (Attack on Titan). Eren is a passionate and impulsive young man who dreams of seeing the world beyond the walls that protect humanity from the Titans. After witnessing the destruction of his hometown and the death of his mother at the hands of Titans, Eren vows to eradicate them and joins the Survey Corps. Throughout the series, Eren's character evolves as he uncovers the truth about the Titans and his own mysterious abilities.