Pellegri serves as Commander Margulis's aide-de-camp in the U-TIC Organization. She is a strong believer in Jesus Christ, and one of the main antagonists of Xenosaga. In reality, Pellegri is the Inquisitor of the secret society Ormus. As an Inquisitor of Ormus, this means her role is to guard holy relics, as well as judge Ormus heretics.