Kaiyo Fullbuster

Description
Kaiyo Fullbuster is the fifth son of Gray Fullbuster and Juvia Lockser. He is a Water Devil Slayer. His magic is a mix of his father's and his mother's. He was one of the few people to get trapped on Tenrou Island when the Black Dragon Burakku was unsealed. He is one of the most disliked/not cared for people in the Fairy Tail guild. He decided to go off on his own for a year to train to get stronger. He is one of the disciples of the Ice Dragon King, Frostbite.

Devil Form
Kaiyo Fullbuster is half devil in his devil form. His magic power becomes stronger and his appearance changes.