Answer:
It breathes fire in fairy-tales
He is known to commit a friendly home invasion one night a year, never taking but always leaving stuff behind
This man has an obsession with spinach.
What divides by uniting and by dividing?
This monkey food makes people slip and fall in cartoons.
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.