Darth Vader unmasked by John Byrne. 2013.

A fan on John Byrne’s forum wrote: “Not being a fan of the Humpty Dumpty beneath Vader’s mask in Jedi, I’d love to see JB’s version of what Anakin looks like under that respirator.”

John Byrne replied:

Since Vader was, as originally stated by Lucas, thrown into a live volcano by Obi-wan, he should be a real mess under there! Taking Lucas literally at his word, here’s a very quick and small (the original is about 2.5 inches tall) Vader…

John followed that up with a posting of the second Vader image and wrote: