Kay Hopkins is a prominent character in the anime series 'Girls und Panzer.' She serves as the charismatic and friendly commander of Saunders University High School's Sensha-dō team. Known for her energetic personality, sportsmanship, and American spirit, Kay leads her team with enthusiasm and fair play, earning respect from both teammates and rivals. She often encourages her opponents and is admired for her positive attitude, making her a memorable and influential figure in the series’ various tank battles.