He is somewhat resentful, as he expresses no remorse when proposing the idea to disable the animatronics to Freddy, and refers to it as "what they deserve" due to their constants attempts to capture him, even after Freddy suggests that their current behavior was the result of an external agent. In doing so, he also demonstrates to be quite pragmatic, as he figures out ways in which he can use the environment and objects at his disposal to his advantage to achieve his goals. Gregory is a brave kid, as rather than just endlessly escaping from the Glamrock Animatronics with Freddy's help, he resolves to confront them in order to collect their improved features. In his quest to leave the Mega Pizzaplex before closure, he prefers to hide from Vanessa instead of accepting her help, as he is doubtful of her intentions in spite of her position as a security guard and Freddy's prompt to trust her. On the other hand, he is cautious to the point that he appears to be distrustful. Likewise, he will immediately complain to anyone if he dislikes something they're doing, such as when he told Freddy to shut up in a slightly aggressive tone. Usually, whenever he gets slightly annoyed or mad, like when he got a "crappy" item or realized he had five more hours to survive, he openly makes a comment to showcase his anger. Gregory is an irritated and outspoken kid. For footwear, he wears white socks as well as white, red and cyan-colored sneakers with dark grey soles. He wears tan cargo shorts that go down to his knees.
He also wears a white singlet underneath his shirt. 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 has bandages on both his right cheek and his left knee. Gregory is a small, thin child with apricot skin, messy brown hair and brown eyes.