Wicked Witch of the West? Now THAT'S one portrait I've GOT to see!
And Nathaniel, your description of "economic line" really struck a chord: One of the first artists who really made an impression on me, at a VERY early age (40 years ago), was Hirschfeld...
http://www.alhirschfeld.com/
...which, with Disney and Hanna-Barbara, led me into cartooning and little animated films.
But after that -- and drawing COUNTLESS realistic and schematic sketches of every conceivable plant and animal species (including Homo sapiens), inside and out, in every macroscopic to microscopic detail for years on end -- I've come to appreciate not only the art of drawing but also, as a breath of fresh air, the art of painting, as an art unto itself, as I'm sure each of you has.
Graphite is my comfort; paint is my passion.