The Ninjago are an elite group of spinjitsu masters lead by Sensei Wu. The First Ninjas were Jay, Cole, and Zane, they were soon by reckless Kai in their battle against the Skulkins. These four had the powers of Lightning, Earth, Ice, and Fire. Later joined by Lloyd, the prophised green saviour, who was destined to rise above the others and defeat the dark lord.
*Or the Golden Ninja Outfit
Kai is the Red Ninja and master of Fire and the Sister of Nya. He was the 4th to go under Sensei Wu's wing. Kai is a wreckless warrior.