![Oh, derived from the word Oh, derived from the word](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, derived from the word "ANGEL."
Appropriate.
The Big Bang Theory Season 4, Episode 22
![The professor is my guardian angel,
The professor is my guardian angel,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The professor is my guardian ANGEL,
Money Heist Season 1, Episode 6
![We call her the Angel of Death.
We call her the Angel of Death.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
We call her the Angel of Death.
Vikings Season 1, Episode 6
![my guardian angel appeared.
my guardian angel appeared.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
my guardian ANGEL appeared.
Money Heist Season 1, Episode 1