Harry Thompson (ハリー トンプソン) is an American sailor from Texas and the leader of a gang of foreign sailors who work at the New Yokosuka Harbor District.
Harry learned martial arts while he was in the navy. He is a skilled fighter and even earned money as a street fighter for a while before he was discharged from military service. In his hometown he became a legend after having 98 consecutive wins. He can be a friendly person when he feels like it and likes to go drinking in the evenings around Dobuita. His friends call him "Crazy Harry" because when he gets angry, no one can control him.
- Harry has a AB blood type.