
He's my father's ENEMY.
Vikings Season 1, Episode 6

Supporting the ENEMY, no less.
Game of Thrones Season 7, Episode 7

As far as I can see,
you are the ENEMY to the North.
Game of Thrones Season 7, Episode 3

Now if the ENEMY of my ENEMY is my friend,
and right now I'm my own worst ENEMY,
The Big Bang Theory Season 10, Episode 9

If you're her ENEMY,
she'll never stop
Game of Thrones Season 7, Episode 1