Izuna Uchiha was a fiercely loyal and ambitious individual, deeply devoted to his family and clan, especially his elder brother, Madara Uchiha. He possessed a calm and composed demeanor, rarely displaying his emotions openly. With jet-black hair in a ponytail and piercing red Sharingan eyes, Izuna had a formidable appearance on the battlefield, matched only by his exceptional combat abilities. As a skilled shinobi, he showcased remarkable speed, agility, and proficiency in using the Sharingan.