Answer:
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. 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?
I am one small little piece of paper yet sometimes hold lots of value. I am all you need to get in to big events but will cost you. I am an important part of travel. And if lost you're not coming.
I am alive without breath and cold as death. I am never thirsty but always drinking. What am I?
I am a lunch money thief
What made Cyclops quit teaching?