Answer:
David's father has three sons: Snap Crackle and ?
A dragons tooth in a mortals hand I kill I maim I divide the land.
What is black when it's clean and white when it's dirty?
I always have to work with something in my eye.
I am a certain five-letter word and become shorter when you add two letters to me. What am I?
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic