Zack is tall, well-built, and has the iconic sky-blue "Mako eyes" many SOLDIER members have. He has spiky black hair and having several bangs framing the sides of his face. He wears a dark blue SOLDIER uniform. Zack has a positive attitude and is always ready for work. His energetic personality and low attention span earned the nickname "Zack the Puppy" from Angeal. He is loyal to SOLDIER and dreams of becoming a hero. He is sociable and easily befriends almost everyone.