Two months before joining Young Justice, Jinny was a regular girl in Dripping Springs, Texas. After seeing her girlfriend having fun with another girl, Jinny stormed off and accidentally walked into a robbery at a local bowling alley. Taking control of the situation, Jinny disarmed the robbers and stopped them before they could get away. She returned to her house, where her mother showed her the trunk that was owned by Jinny's great-great-grandfather, Jonah Hex, full of things that he had collected over the years. She used these artifacts in her own superhero career.
- Unique Physiology: Being the daughter of a (supposedly divine) immortal man, Jinny is still discovering and understanding the possible powers that she must have.
- Hand-to-Hand Combat (Basic)
- Mechanical Aptitude: She works and now runs the family car repair shop, the Heck's Auto Repair, in Dripping Springs.
- Jonah Hex's Trunk: The items gathered inside this trunk by her ancestor grant its possessor a set of powers. These items include:
- Prior to joining Young Justice, she had a girlfriend with whom she broke up after catching her having fun with another girl.
- 30 Appearances of Jinny Hex (Prime Earth)
- 34 Images featuring Jinny Hex (Prime Earth)
- Quotations by or about Jinny Hex (Prime Earth)
- Character Gallery: Jinny Hex (Prime Earth)
Young Justice member