His full name is Kevin. He is senior agent from the Stasi investigating Paradeus with agent K. Unlike K, J is an easy-going womanizer who even gave nicknames to Task Force DEFY, and he believes that his attitude is more suited to the work of a spy since unlike K, he doesn't look like a spy. He was forced into a more serious attitude as he faced more failures and deaths as the price for his involvement with Angelia and Paradeus. J also had relationship with T-doll named SP9.