Who is the night King theory?

Related questions

1. Why the night King is bran?
2. Is Night King a stark?
3. Is Jon Snow the true heir?
4. Why did the children of the forest create the White Walker?
5. How is Jon Snow father?
6. Why is Bran the three eyed raven?
7. Which Dragon does the night King get?
8. Why was rhaegar killed?
9. What did night King want?
10. Is rhaegar targaryen night king?

Tags

1. #night
2. #originally
3. #suggests
4. #instead
5. #theory
6. #stark
7. #became
8. #broader
9. #ancestor