Lloyd is the leader of the ninjas, the green ninja and master of energy. Kai is the red ninja, and master of fire. Nya is the little sister of Kai, gray ninja and master of water. Cole is the black ninja and master of earth. Zane is a titanium robot, white ninja and master of Ice. Jay is the husband of Nya, blue ninja and master of Lightning. PIXAL is Zane's love interest, and she may be a robot, but she can feel and express emotions like humans, although she is a bit monotone and not energetic.