Kai

Kai Smith is the son of Ray and Maya and the brother of Nya. He is also an elemental master of fire and has a small crush on Jay. His first appearance is in the first book when he joins the rest of the ninja in looking for Nadakhan and later Jay too. He joins in with the rest of the missions, including the fights at Chen's Island and the Wailing Alps. When Ben makes his first appearance in the story, Kai is unaware of Ben and his sister still being together, even though it was all just a big misunderstanding. Towards the end of the third book, he and Zane were taken by Jake and were supposedly 'killed' but later returned with the criminal who had killed Cliff, who was revealed to have been framed. Kai is one of the people who take a while to forgive Ben after everything he had done but eventually opened up to him, such as telling Ben about his crush on Jay. Kai makes an appearance at Jay's welcome home party and whilst at the hospital in the fourth book, he meets his parents for the first time after they escaped from their 'kidnappers'. He also was at the funeral and was a flower girl at the Jaya wedding.