Jake Parker (no relation to yours truly) is an illustrator and comic book artist living in New York. He as done conceptual art and illustrations for companies like Disney, Warner Brothers and Wizards of the Coast. He has also done a number of comic stories, including contributions to Flight VOL1 and VOL 2. The “Comics” page of his site lists several comics described as “For the web only” but doesn’t link to them or give any indication of where they might be posted.
The “Sketches” section of the site, in addition to featuring the sketches you would expect, also contains links to two tutorials that go through his process from rough sketch to finish. To my eye, his work shows influences from European comics artists like Moebius, anime directors like Hayao Miyazaki and to a lesser extent, American super-hero comics.