Answer:
You are my brother, but I am not your brother. Who am I?
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
I fill a room but take no space. What am I?
I have a face and two hands, but I have no arms or legs. Six plus seven is one. What am I?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?