Mejiro McQueen is a prominent character in the anime series Umamusume Pretty Derby. She is a racehorse girl with a noble demeanor and is known for her elegance and grace. Mejiro McQueen possesses a calm and collected personality, often acting as a mentor to her peers. Her dedication to her training and her desire to uphold her prestigious family name drive her to strive for excellence. Throughout the series, she plays a crucial role in inspiring her teammates and showcasing the importance of perseverance and honor in competitive racing.