KK is a Human who fell down into the Underground. Before Corly and the Other humans. He was found by The king of the Underground, But He did not Kill him. They Adopted Him. Then Corly Fell down, And they also adopted her. They felt that they didn't need to kill them. They just thought, When they die we can take they're Souls.
Jamie is usually laid back. But can be serious sometimes, He cares a lot for his Sibling, Corly and doesn't want her to get hurt. But he is quite hyper when Given Candy.