Beethoven is a fictional character from the visual novel game and anime series 'Eiyuu Senki.' She is a unique reinterpretation of the historical composer Ludwig van Beethoven, depicted as a young, eccentric girl with a passion for music and creativity. In the story, Beethoven serves as one of the many heroic figures recruited by the protagonist to help unite the world. Her quirky personality and musical talent make her a memorable ally and an important part of the team.