Answer:
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble. What are they?
I am known for my natural tuxedo and marching
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
If I drink, I die. If I eat, I am fine. What am I?
In my life I must bare my bloodline I must share.
I am free the first time and second time but the third time is going to cost you money.