Definition: "JSCNET3" was a fictional character in "The Chronicles of Narnia," a classic children's book by C.S. Lewis. Definition: JSCNET3, or simply "J", is a member of the Narnian family. His real name is Jack Skellington and he is an undead child with the power to make others undead as well. He often wanders about in the forest of Narnia, using his abilities to fight monsters and save innocent creatures. Definition: "Narnia" is the kingdom of Narnia, which is a fictional place set in the kingdom of Mordor. It was ruled by an evil king named Azog who lived near the edge of Mordor. The Narnians live in a village known as "Mordor," which is hidden away from other kingdoms and their leaders. Definition: Jack is a child with the power to make others undead, much like how some creatures could be made immortal by consuming the soul of another person. This makes him particularly dangerous because he can easily kill his own people in one attack.