Bob the Skull from The Dresden Files, who largely averts the creepiness included with this trope by currently being, very well, a cranium. Crimson had a male model of this trope when the feminine villain Lisseth captures the hero's mentor Ekimus, strips him shirtless and chains him to a makeshift throne although referring to him as her pet. Female Ranma is kidnapped by Sentarō Daimonji immediately after she'd rescued him.