One of the tennis balls
came off his WALKER
The Big Bang Theory Season 7, Episode 14
Everyone seems to forget that I was
the first man to kill a White Walker.
Game of Thrones Season 8, Episode 2
used one of these daggers to kill a Walker.
Game of Thrones Season 5, Episode 8
When you killed the White Walker,
Game of Thrones Season 7, Episode 6
How about that old lady
with the WALKER?
The Big Bang Theory Season 7, Episode 12