Hey, didn't someone do a female version of Black Jack some time ago?  If so, does anyone have a copy?

If not, you could just use Ren's Liberty Belle.
http://www.renegadetoybox.com/archiveL.htm

That's a great idea, Unko!  It was just a whimm really.  I was reading a plot preview for an upcoming Atomic Robo miniseries in which there is a character much like this (a WWII era, .45 wielding, female Brit super spy).  And I liked the idea of this character...and then it made me recall that someone might have done a female version of BJ.