He is kind, friendly, sociable and makes friends with almost everyone. His hair is black and long, tied back, with a strand forward and with a cross scar on his cheek. He wears a black SOLDIER uniform, which is characterized by being a higher rank as he is a 1st Class SOLDIER, he wears black gloves, black boots, and black shoulder pads. He formerly carried a SOLDIER's sword. Zack's eyes are lighter, this is due the Mako radiation implanted in his body, He's 190cm tall and 23 years old.