DW has a visual interface for images and links on its posting form, but not its commenting form.

I've determined the answer. Fujiryu's self insert in the cover slips and gag pages was formerly the barber of Sotoba. It explains so much of their surreal, messed up, flattish hair.

I dunno, I kinda like that pic. Maybe it's not the best on technical merits, but I think it conveyed a mood to me at least. A more determined or worn expression seems to suit him more, but that blank look seems to match his open armed "I'm a doctor, this is my work. Judge me." look.