Eru Tron is a fictional character from the video game series 'Otomedius,' which is known for its side-scrolling shooter gameplay. Eru is a pilot in the game, navigating through levels with her unique abilities and power-ups. Often depicted as a young girl with a cheerful and energetic personality, she is one of the main characters players can choose to control. Her role involves battling enemies, collecting power-ups, and ultimately saving her world from impending threats. Eru Tron adds a lively and dynamic presence to the series, making her a memorable character for fans.