The one-shot Sins of Youth Starwoman and JSA Jr was published with a cover date of May 2000. It was part of the Sins of Youth event. Starwoman and the JSA Jr team got an "aging gun" to try to use to return to the correct age. Klarion freed Black Adam and turned him into a teenager. The issue introduced Prince Marieb, created by Geoff Johns and Drew Johnson. ("Stars and Tykes", Sins of Youth: Starwoman & JSA Jr 1, DC Comic Event)