Jean-Jacques Chastel

ジャン＝ジャック

Race: Vampire
Partner: Chloe d'Apchier

Jean-Jacques Chastel is a vampire who is shown to be a servant of Chloe d'Apchier in D'Apchier Family Castle at Silver Forest, Gévaudan.

Later, Jean Jacques is revealed to be the true Beast of Gevaudan, having made a contract with Naenia to undergo a monstrous transformation.