He’s a diligent and methodical character. He's a member of the Armed Detective Agency and values order, discipline, and logic. He often comes across as serious and pragmatic, with a strong belief in rules and procedures. Doppo can be critical of others' behavior and prefers to adhere to a structured approach in his work. Despite his stern demeanor, he cares deeply for his teammates and is willing to put himself on the line for their well-being.