Answer:
Brothers and sisters I have none but this man's father is my father's son. Who is the man?
If you need a night out, call one of these over to take the little ones off your hands for a while.
What always comes into the house through the keyhole?
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
I can be found in seconds, minutes and centuries, but not in days, years or decades.
Be sure to shout for its answers are weak, but there is no language it cannot speak.