The Third of Reine Devila's henchmen to appear in the Wedding Peach story.

Spoiler

She comes to help out Igneous but later in the series kills him for turning soft by the love angels and falls for Yousuke at first sight. Potamos is later turned good by Wedding Peach and lives a life as an ordinary school girl.She calls Yousuke "V-kun" because of his mixed devil-human hybrid.