Evangeline A.K. McDowell is a powerful vampire and mage in the anime and manga series Mahou Sensei Negima! Known as the 'Dark Evangel,' she is both a formidable adversary and an eventual ally to the protagonist, Negi Springfield. Initially introduced as a mysterious and feared student, Evangeline is cursed to remain in her child form and bound to the school grounds. As the story progresses, she becomes an important mentor to Negi, helping him hone his magical abilities.