Who said "I have waited ten thousand years for this."?

This quote is attributed to The Night King.

I have waited ten thousand years for this. - The Night King

"I have waited ten thousand years for this."

The Night King Patience

"The living are not my concern."

"Death is the enemy. And we are joining the fight against it."

"Winter came for House Umber."

"I am the night."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."