Doug Wildey is probably best remembered for his role designing the distinctive look of Hanna-Barbera's "Jonny Quest". Wildey also worked on numerous comic books including Jonah Hex, Sgt. Rock and Tarzan.
Wildey was a fantastic draftsman with a real flair for realistic anatomy and characterization.
Here we get a look at Wildey's own Western creation, RIO. My best guess is that Wildey did his inks and an ink wash over his pencils, then went back in with watercolor. The results are tremendous, giving a very believable feeling of light to the piece. From 1984's Eclipse Monthly #5, here's "Satan's Doorstep!":
