Answer:
It's been around for millions of years, but it's no more than a month old. What is it?
They are toothy nocturnal immortals.
Men in skirts blow into these.
What is it that no man ever saw, which never was, but always will be?
Take one royal word in the plural and make it singular by adding one letter
Strip the skin under my skin, and my flesh you'll reveal. It tastes sweet and tart, now throw out the peel. What is it?