Eddie Barrows is a member of the Martian Police Department, serving as a colleague to officers such as Ross, Armitage, and Chris, while working under a superior named Larry. His appearance is that of an adult male with brown hair cut to about ear length and brown eyes. In terms of personality, Barrows is direct and casual, often unable to resist making misplaced comments during meetings. This tendency to speak out of turn leads to frequent exhortations from his superior, Larry, who has to regularly rein him in. Despite his unabashed and sometimes tactless manner towards both his colleagues and his boss, he has his heart in the right place and proves to be a reliable supporter that others can count on.

Within the police department, his role is notable for his technical skill, particularly in deciphering encrypted data. This task sometimes requires great patience, during which he may smoke one cigarette after another to maintain focus. He and his fellow officers are determined in their investigation from the very beginning of the case involving the slain Thirds, a group of advanced artificial beings. His motivations are rooted in this commitment to his job and his colleagues, showing that his loyalty and performance on the job make up for his big mouth and informal demeanor. While information on his personal background and development throughout the story is not available from the provided sources, his key relationships are defined by his interactions with his fellow detectives and his superior, with whom he has a dynamic of casual disrespect followed by professional obedience.