Answer:
How can a pants pocket be empty and still have something in it?
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What ship has no captain but two mates?
It's what light turns into in the night
What can be any size or shape and gets bigger the more you take from it?
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?