
I think the word you're
looking for is... "INVISIBLE."
The Big Bang Theory Season 5, Episode 17

We haven't had
a good INVISIBLE man in a while.
The Big Bang Theory Season 8, Episode 23

The one where Mr. Fantastic and
the Invisible Girl get married.
The Big Bang Theory Season 5, Episode 24

that the Invisible Girl
is standing there with us.
The Big Bang Theory Season 7, Episode 14

will break his
INVISIBLE chains.
Vikings Season 1, Episode 6