Zack Walker
ザック・ウォーカー
Jenis kelamin: Male
Usia: 17
Golongan darah: A
♥: 182
Height: 185 cm (6'1") Weight: 76 kg (168 lbs.) Eye color: Blue Hometown: Mousanish District
Zack is a genius with an IQ of 200 whose field of expertise is space science. He even has a spaceship pilot's license. He and Quitterie have been friends since they were little due to their parents being coworkers.
