I filed this under my Bugs Bunny 'innnnnteresting' board but honestly I do find this fascinating. And there were female ones? ...more research needed, I now want to know.
Too Hot to Hold (1959) by Book Covers: Mars Sci-Fi, Vintage Sexy Paperbacks, via Flickr
Not technically pin-up but I'm no longer able to categorise very well... Illustration by Robert McGuire
forget me not [smile]: Robert McGinnis
Wanted: Danny Fontaine - William Ard. Cover art by Robert McGinnis
Robert McGinnis, "Mina"
Modesty Blaise (Red Cover)