Kirihito

Kirihito / Gazer / Ojisama is An apparently powerful Night Wizard who saves Elis on the moon. Little is known about him except that he wears the uniform of Kimei Academy secondary school.

He both chides the group for not being able to protect Elis if they do not get stronger and is shown to defeat a group of emulator rabbits that could give the other Night Wizards problems with a single attack. Kirihito was also responsible for the destruction of the Tower of Babel after the Demon Lord Amy's defeat, additionally he was the only wizard to be aware of the consequences of completing the Ain Soph Aur.

Following episode 12, it is revealed that Kirihito is in fact Gazer, a being whose original duty was to watch over the world for all eternity, who now is out to destroy the world with the help of Shaimal (who is contained inside Elis) so that it may be newly reborn.