LOL
This a joke that "veterans" here play often
Consider it your baptims of fire and wellcome as noob by asking it. I congratulate you for having the guts to ask it openly
"Bernard" was the name given by user
Dowly to the officer in a
humourous screenshot thread. Since then, "Bernard" as crewmember ha been the reason and cause for all disgraces that happen in your uboat; the useless crewmember nobody wants, the bad-luck magnet and escape goat for anything.
So, wellcome to subsim

and to the fraternity of the "Bernard" fans