She's my TWIN sister.
The Big Bang Theory Season 1, Episode 15
...and his five TWIN brothers,
you are wasting your time.
The Big Bang Theory Season 1, Episode 16
Penny, this is Sheldon's TWIN sister.
Missy, this is our neighbor Penny.
The Big Bang Theory Season 1, Episode 15
the TWIN towers of Frey.
Game of Thrones Season 1, Episode 4
I grew up with an older brother
and a very contentious TWIN sister.
The Big Bang Theory Season 3, Episode 2