Answer:
David's father has three sons: Snap Crackle and ?
Born in the ocean and white as snow. When I fall back to water, I disappear without a trace. What am I?
The 8 of us go forth and back to protect our king from a foes attack
One simple click, one simple flash. A piece of memory, for years I'll last. What am I?
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?