Jinx is one of only a handful of G.I. Joe Team members whose real name is top secret. She has been studying and competing in several forms of martial arts since she was seven. . On a vacation trip to Japan, she discovered her familial ties to a ninja clan known as the Arashikage, and was officially initiated into the clan. She was then recruited by Snake-Eyes, a fellow ninja and member of the G.I. Joe Team. She has since undergone training with the Blind Master, a ranking ninja sensei, and studied the seven silent forms, including the Eye That Pierces , the Iron Hand and the Heart That Waits . After the temporary dissolution of the G.I. Joe Team, Jinx became a freelance agent, and is believed to have spent time serving in the CIA. She also started a romantic relationship with her teammate Budo, and the two of them formed a successful bounty hunting business together.