Answer:
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
I travel in a gaggle.
People walk in and out of me. They push me and I follow. When they walk out on me I close up and I stay waiting for the next person to walk into my life when I have a more open mind
What can you catch but not throw?
I stand in one place yet I fill a whole room. I can be filled with molten rock and come in every hue.
I flow from the Homerβs mouth when he sees doughnuts.