Zack Thompson is the awkward, quick-witted, and incredibly powerful teenage planetary guardian from Earth, an ordinary high school kid thrust into the frontlines of galactic warfare. He has a youthful face and sharp blue eyes, standing at an average, unassuming teenage height with a lean, regular build that hides an absolute powerhouse of alien weaponry once his suit activates. He is incredibly funny, slightly overconfident, and goofy, often displaying a playful, lighthearted sense of humor 