Aloysius is a stern-faced aged man with pale blue eyes. His fairly long hair is completely white and combed backwards. He also has a white beard running down from his temples all the way across his chin, as well as a thin grey mustache. He appears to still dress as an employed butler would. He is very devoted to Byakuya and if someone speaks badly about "Young Master", he will become even more angry and fiercely protective of him. Aloysius is shown to be rather calm, stern, and grumpy at times. 