As you were exploring Whale Island, you see a twelve year old boy, with spiky black and green hair, with bright, lively, hazel eyes, come up to you and say,

Gon: "Hi, I'm Gon! And this is Killua. Who are you?"

Killua, a boy the same age as Gon, had blue eyes, and white, fluffy hair, was standing behind Gon, and was staring at you.