We've actually talked about it before, but it would take more interest than I think he has for him to take up a new way of spending time on the internet right now. For a guy who draws stick figures for a living, he's surprisingly busy.

ETA: ... besides, lots of people could draw comics about TDT! In most places, the easy part would be finding someone who can draw and is funny, and the hard part would be finding someone who knows anything about TDT; on LW it's probably the other way around.