Talk:Penny/@comment-37384443-20190517014737/@comment-39809333-20190626174547

It is known that the show's cast and crew see it as something to not be said and that they're very supersitious about it being revealed. I'd have liked to known her maiden name as well but it is their choice at the end of the day...

(source: https://screenrant.com/big-bang-theory-penny-last-name/)