Eduardo Petrov serves as a Captain in the Far Eastern Command, holding a leadership position overseeing regional operations. He shares a significant history with Lazarus, defined by an old friendship established before the narrative's events, indicating a longstanding military connection. Descriptions consistently note his adult status and military affiliation. He is frequently depicted wearing a hat. His personality is described as stoic. Additional character tags identify him as a smoker. Available documentation defines his role by his rank, command location, and established past relationship with Lazarus.