: In a series-defining moment, Armin was chosen to receive the Titan serum over Commander Erwin Smith, eventually inheriting the power of the Colossal Titan .
: He is characterized by his blonde hair , hazel eyes, and a smaller, leaner build compared to other soldiers. The Name "Armin" : In a series-defining moment, Armin was chosen
: He is famously known for his pragmatic and often dark worldview: "Those who aren't willing to sacrifice anything can't change anything". He struggles with the moral weight of his actions, striving to maintain his humanity while understanding that "to rise above monsters, we must abandon our own humanity". : In a series-defining moment