- Gilles is shown to have romantic feelings for Jeanne and is very protective of her, flying into a rage whenever she is insulted. However, when questioned about his feelings for Jeanne by Raguel, he says that he doesn't know what loving sentiments Raguel expected of him, and professes that he wishes to brutalize and defile Jeanne in order to free her from Michael's ecstasy.
- Gilles for the most part doesn't care about William. He does, however, seem interested in Solomon, and as his current vessal, William has Gilles attention. Though most of his attention is beacuse of his leader, Beezlebub.