Answer:
What gets closer when you blink?
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
No matter how little or how much you use me, you change me every month.
Special abilities and brightly colored underwear are all you need to be one of these.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?