Answer:
You heard me before and then again. Afterward I die until you call me again.
What has a head and a tail but no body?
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
I go around and in the house but never touches the house
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
I am your mother's brother's only brother in law. Who am I?