Eucliwood Hellscythe, often referred to as Eu, is a central character in the anime series 'Kore wa Zombie Desu ka?' She is a necromancer with the power to raise the dead and heal injuries. Eu is a mysterious and stoic character who communicates through writing due to the immense power of her voice. Her silent demeanor is contrasted by her caring nature, as she often looks after the protagonist, Ayumu Aikawa, whom she resurrected as a zombie. Throughout the series, her past and the burdens of her powers are gradually revealed, adding depth to her character.