Answer:
Different lights do make me strange, thus into different sizes I will change
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
Hoofed frolicking.
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
Known to accessorize with feathers, trumpets, and harps.
What did the piece of wood say when he saw the screwdriver and screws approaching?