Answer:
David's father has three sons: Snap Crackle and ?
I can speak with my hard metal tongue. But I cannot breathe, for I have no lung. What am I?
I am a cold man without a soul. If there is warmth in me, it slowly will kill me. What am I?
I am bought by the yard but worn by the foot
I am a band that does not perform sing or act.
I flow from the Homerβs mouth when he sees doughnuts.