Sam Bosma is an illustrator, comics artist and animaiton background artist whose clients include Scholastic, Simon & Schuster, The New Yorker, The New York Times, The Wall Street Journal, Cartoon Network, MTV and Image Comics.
His website includes example of his work in several categories. You can see more, and larger images, on his blog, and some of his work is available as prints on InPrint.
[Note: a few images should be considered NSFW.]
[Via Eric Orchard — @inkybat]