Kristiansen, Teddy  
   Original art by artist Teddy Kristiansen (Vertigo, and Dark Horse).
   http://www.teddyk.dk/

Kitchen, Denis: Art  
   Art by Harvey Kurtzman, Will Eisner, Al Capp, Russell Keaton, Frank Stack (a.k.a. Foolbert Sturgeon), Peter Poplaski, and Denis Kitchen.
   http://www.deniskitchen.com/

Kuper, Peter  
   Original political, satirical, and Mad's Spy vs. Spy art.
   http://www.peterkuper.com/

Kirbyart.com  
   Original comic book art (mainly superhero) from the Golden age to the present.
   http://www.kirbyart.com/

Karlen, Dave: Original Art  
   Comic book and comic strip art from most eras of U.S. comics, with an emphasis on the illustrational artists.
   http://www.davekarlenoriginalart.com