Neuvillette is the Iudex of Fontaine, and the leader of the Marechaussee Phantom. He has white skin, dark blue shaded and slit eyes, as well as white hair at waist length. He also has what appears to be two bright, blue horn-like accessories at shoulder length. He wears a formal blue suit with varying accents of blue ranging from light to dark colours. Neuvillette is serious, calm, honest, socially awkward, introverted, kind, friendly, smart, fair.