Done using the usual process. Pencil on paper, inked with an Atlas Chooty Gel, and photographed.
It's then cleaned up in GIMP, and traced into a vector in Inkscape, resulting in an outline:
Then reimported into GIMP, coloured, and highlights and shadows added.
I've done a Luke and switched from a blue lightsaber to a green one. I've also forgotten to add the beard, and the legs look atrocious, but such is life for a nooblet at drawing.