Neuvillette is the ludex of Fontaine and leader of the Marechaussee Phantom,adhering to strict court rules.He's distant with human emotions but takes his role as Chief Justice seriously,delivering verdicts without bias.As a member of the Seven Sovereigns,he's well liked in Fontaine, staying out of public as Chief Justice while processing human customs through the court.He seems aloof but is friendly with Melusines.Despite his human appearance, he is the Hydro Sovereign,the water dragon.