Katen

Katen (火天, Katen) is the son of the, establishing him as the current Prince of Primates among them. The personal summon of, he has become an independent operative upon his master's request in the world. Investigating the attacks of Zetsu, he would uncover a plot to overthrow his Kage, though it was too late. With the Ninth Hokage taking over, he was forced to remain silent as he had no way to truly prove (alongside Konohamaru) that the Ninth was working for Zetsu, until the fall of Konohagakure itself, where he and his master escaped.

Currently, after meeting up with some resistance efforts in the Lightning Country, he has become a part of the growing Shinobi Union. The representative for the animals in the Allied Council, he has embarked on a mission to unite the animal tribes, well what is left of them, against the threat of Zetsu and others against them.

Trivia

 * Katen's name comes from one of the Twelve Devas.
 * Katen's concept was inspired by the author's desire to create a quite capable summon who isn't necessarily dependent on their summoner.