I have some good reasons to post a link to the illustrator Martin Hsu: he has two series with cats illustrations, one with a kind of pin-ups and other with a little girl called Ruby Gloom, a little girl who might be frowning, but is the happiest girl in the world. Besides those things, his works are adorable, with a very pretty design with catchy colours. You can also find more illustrations series, comics, sketches, books and shirts with his works.

BTW, I couldn't resist to post this: