Carol Cameron is an eight-year-old girl who serves as a member of the United States defense forces, having come to Japan as a special envoy to receive a new powered suit. Physically, she is a blonde-haired child notable for her advanced physical development, which is atypical for her age and has been described as being more mature than most eight-year-olds. Despite her youth, she excels in both academics and sports, and she is also proficient in the Japanese language. One of her distinctive personal traits is that she is a considerably big eater.

Personality-wise, Carol is portrayed as highly capable and driven. Unlike the Japanese defense team, who may have a more nuanced or defensive posture towards extraterrestrials, Carol explicitly views aliens as targets to be attacked. This aggressive stance defines her professional approach and sets her apart from her counterparts in the story. Her primary motivation for coming to Japan is directly tied to her mission: to acquire the new powered suit for the United States, which she intends to use in her proactive campaign against alien forces.

Within the narrative, Carol serves as a representative of the American military perspective, creating a contrast with the Japanese defense team’s methods. Her key relationships are defined by this fundamental difference in ideology regarding how to handle the alien threat. Regarding her development across the story, specific details are not provided in the available information. Her notable abilities include her exceptional physical condition and maturity, her academic and athletic prowess, her bilingual fluency in English and Japanese, and the combat capability she gains while piloting the powered suit she was sent to retrieve.