The gigantic beard that was evil

On the buttoned-down island of Here, all is well. By which we mean: orderly, neat, contained and, moreover, beardless. Or at least it is until one famous day, when Dave, bald but for a single hair, finds himself assailed by a terrifying, unstoppable... monster*! Where did it come from? How should the islanders deal with it? And what, most importantly, are they going to do with Dave