Isoroku Inoue is a character from the anime series High School Fleet (Haifuri). He is the ship's pet cat aboard the Harekaze, playing a unique and somewhat humorous role in the story. Isoroku is beloved by the crew and often provides comic relief, but also finds himself at the center of several key events, including inadvertently triggering some plot developments. His presence is cherished by the crew, symbolizing both luck and companionship aboard the vessel.