Bruni

Brune is an unseen character in Game of Thrones. He is deceased when the events of the series begin and is not expected to appear in the series.

Background
Brune was a wilding who was married to Osha.

Season 3
Osha told the story about her husband Brune. He was a good man who loved her. One day he disappeared, and everyone said he'd simply left her, but she knew him better than that. One night he did return to their hut - as an undead wight, with skin pale as a dead man's and his eyes bluer than clear sky. Brune began to strangle her to death. Somehow she managed to get hold of a knife, and rammed it deep into his heart, but he didn't even seem to notice. Osha ultimately managed to get away by burning down their hut with Brune inside it.

In the books
In the A Song of Ice and Fire novels, Brune is never mentioned.