Answer:
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
My teeth are sharp, my back is straight, to cut things up it is my fate.
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
A muttered rumble was heard from the pen, and I, in my walking stopped to look in. What was this I saw? A massive beast, hoofed, and jawed. With spikes upon its mighty brow, I watched as he struck the turf and prowled. And yet for all of his magnificence, he couldn't get out of that wooden fence.
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
I go in hard come out soft. Blow me hard and I’ll make a pop.