Answer:
I go through a door but never go in and never come out.
I am the kind of food monkey likes and people slip on me and fall in cartoons.
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
What has no beginning, end, or middle?
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
What language does a billboard speak?