Where the name "Caro" came from?

Imma tell you a history.

2 years ago ( 2019 )
i was playing a game and then i found my besfriend for the first time.

My nickname was Carol ( something )
But the game was for kids, and they don't let us say "Carol"

so my friend just said "Caro"

we laughed for a few hours

then i said " MY NAME IS NOW CARO"

thats how i got my name and my bestfriend B)