Whiskers the Wizard by Huck Gee

"As legend would have it, behind every great general is a bat shit crazy, bearded, old wizard. And General Shirokuri was no exception to the rule. At times Shirokuri's most trusted consort resembled a befuddled old fool, at others a wise and electrified terror, bending the forces of nature to his will. However you want to remember him, he had but one name: Mahotsukai Hoohige. Okay, we lied, he