Penley is the central character of the script, a young boy who grows into a brave and honorable knight. He is marked by a serpent birthmark, indicating his connection to the mythical Melusine. Throughout the story, Penley is driven by a quest for redemption and justice, seeking to uncover the truth about his father, Manasses, and the mysterious rings of Melusine. His journey is one of self-discovery, love, and the struggle between honor and betrayal. Penley is portrayed as courageous, determined, and deeply connected to the mystical world of Melusine.