Propaganda posters may or may not have served their purpose for the Soviet Union, but they sure have inspired artists in other parts of the world! The form has been co-opted and remixed with pop culture icons for laughs. See a collection of such derivations at Popped Culture. Link -Thanks, Jeremy Barker!
(image credit: BeJay)
Some of us do it the old-fashioned way... with ink and paper and carving tools and the shameless exploitation of beloved childhood characters.