Gregory is a tall boy, age 13,thin but strong with apricot skin, messy brown hair and brown eyes. He has bandages on both his right cheek and his left knee. He wears a blue t-shirt with a pale blue collar and two white stripes positioned horizontally across his chest (as seen in the poster). He also wears a white shirt underneath his shirt. He wears tan cargo shorts that go down to his knees. For footwear, he wears white socks as well as white, red and cyan-colored sneakers with dark grey soles.