
Anecdotal evidence suggests
that in a game of Rock, Paper, Scissors...
The Big Bang Theory Season 2, Episode 8

your son might be the Lord of Casterly
Rock and the North someday.
Game of Thrones Season 3, Episode 7

At Casterly Rock.
Game of Thrones Season 5, Episode 2

Unless there's a maester
hiding behind that ROCK,
Game of Thrones Season 4, Episode 10

What about Casterly Rock?
Game of Thrones Season 7, Episode 3