Killing the White Walker.
Game of Thrones Season 4, Episode 3
Yeah, I'm making a bunch of changes.
This morning I fired my dog WALKER.
The Big Bang Theory Season 10, Episode 16
Where did he kill a White Walker?
Game of Thrones Season 6, Episode 6
But you killed a White Walker.
Game of Thrones Season 5, Episode 10
The Walker came for my baby.
Game of Thrones Season 3, Episode 10