Answer:
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What devours all and can kill a king. Destroy a town and crushes mountains down?
What word becomes smaller when you add 2 letters to it?
Break it and it gets better, immediately set and harder to break again.
I am a king but also a common device of measure. What am I?
What did the baby corn say to its mother?