Bannen

Bannen is an unseen character in the third season. He's a member of the Night's Watch.

Background
Bannen is a Ranger of the Night's Watch, originally from White Harbor, the only city in the North. He takes part in the Great Ranging led by Lord Commander Jeor Mormont and survives the Battle of the Fist of the First Men, though he's injured.

Season 1
Bannen perishes while at Craster's Keep and a funeral is held by his sworn brothers. Rast, however suspects Craster actually murdered him.

In the books
In the A Song of Ice and Fire novels, Bannen is wounded during the battle at the Fist of the First Men.