Darth Vader was only on screen in the original Star Wars movie for 8 minutes and for a little under 34 minutes in the whole original trilogy. In the latest Nerdwriter episode, Evan Puschak examines how the cinematography of the films (particularly Empire Strikes Back) helped make Vader into an iconic character despite such little screentime.
Today seems to be movie villain day on kottke.org: see also this morning's post on Black Panther's Killmonger.