Fei Yu-ching

Fei Yu-ching (費玉清; born Chang Yen-ching (張彥亭); 17 July 1955), is a Taiwanese singer-songwriter, host, and deity.

His real identity is that of one of the most powerful offspring of Azis. He's known as the singer of the legendary ballad Yi Jian Mei and can often be seen with his shikigami, Eggman.

Unbeknownst to most, he is also the father of the demigod Akira, whom he fathered together with an unknown mortal woman.