Randall Munroe, of xkcd, has a similar drawing style and sometimes similar humor. Just press the random button, his 200th comic is just as good as his 1200th. He has more science / nerdy jokes though. And I wouldn't blaim Iceland for his odder comics. It seems that his tumblr is more to just draw with a joke here and there, and that his book is more comic-oriented.
You know, your earlier reply made me realize (again) that online I tend not to look at the name attached to things, be they articles, comics, photos, etc. and that I should make the conscious effort to do so. I think that it's an important thing for content creators to be able to use their own identities online to showcase their work or otherwise make it available to the public (however, I do also think that the option on anonymity online is very important too).
I don't actively remember the names attached to content. Most of the time, I find something I like, spend some time on it (as with this, I read something like 3 / 4 pages of his tumblr) and just remember how to find it. If I like it enough, I'll spend more time on the creators' site / Twitter and through repeated exposure of the name it'll be wired in my brain. Anonymity is preserved that way, as I usually don't go out of my way to find the person / name. A great example of anonymity done right online would be CGP Greywho makes interesting educational videos on YouTube. He never wants to appear on film or photos as CGP Grey (he even asked Hank from Vlogbrothers to hide his face here) . His Twitter is active and he makes great content but as far as I can tell he stays anonymous.
I'd advise his video on The Netherlands, as it is very accurate (I'm from the Netherlands myself) and informative. Or his great videos on political systems.