Answer:
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
I am nothing but holes tied to holes, yet am strong as iron.
What moves without seeing and cries without eyes?
What has thirteen hearts But no body or soul?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.