Looking for help finding either of their names, or a source

Anyone know the source or the girls' names, particularly the

A source or names?

Source for this video please? Or any names?

Where did names like this come from? If Bitcoin is open-source;

Source of the video or even names?

Source or names?

source? names? it is for Scientific porpuses

Source|Names

Source|Names

i know their names but I can't find the source

Names or source?