Answer:
I am covered in quills for protection. What am I?
What creature starts yellow inside and white outside, then becomes its first five before becoming the whole?
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I'm best when I am toast.
It is a cat but not a kitty, You'll never catch on in a city. Its fangs are huge and so its claws, A death machine with paws and jaws. In its own way a royal fellow, Striped with black and clothed in yellow
I am the only animal to have the same Latin and common name.
What language does a billboard speak?