Answer:
Black and scary, small and hairy. In the night you hear it preach, Through its noisy high pitched screech.
When it was young, it had a tail. When it grew up, it had knees
A warrior among the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.
I move very slowly and carry my house on my back. What am I?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.