
He killed a White Walker.
Game of Thrones Season 6, Episode 6

Yeah, I'm making a bunch of changes.
This morning I fired my dog WALKER.
The Big Bang Theory Season 10, Episode 16

Hanging around with Johnnie Walker...
Money Heist Season 3, Episode 2

How about that old lady
with the WALKER?
The Big Bang Theory Season 7, Episode 12

Why would obsidian kill a Walker?
Game of Thrones Season 5, Episode 5