Inui Naochika

The Academy's headmaster and one of its founders. He's an influential man, famous for his extraordinary magical prowess and his clout with some of the country's leaders.
Inui is also a man of character, who lives an exemplary life without letting the extravagance of his position blind him.
Thirdly, he's quite popular, with a not-inconsiderable amount of admires.
Some have witnessed him taking the time to encourage students he runs across.
He has reaped the benefits of a healthy lifestyle, as he shows few signs of aging even after his sixtieth birthday.