Argentine business tycoon Sebastian Ballesteros became the fourth Cheetah, as well as the first male Cheetah. He was an agent of the Amazon's enemy, Circe, as well as her lover. He sought the plant god Urzkartaga to become a new version of The Cheetah, a supernatural cat-creature like Barbara Ann Minerva. Appealing to the plant god's ego, Sebastian made the case that the previous Cheetahs had failed in their actions and that a male Cheetah could be superior. Once Urzkartaga was convinced, Barbara Minerva's access to The Cheetah was cut off and Sebastian was given the power in her place. Later, Sebastian also proved responsible for turning Wonder Woman's old friend Vanessa Kapatelis into the third Silver Swan. Angered at the loss of her powers, Barbara Minerva eventually battled Bellesteros