Jimmy Beaulieu has an older blog here but a new site here with a newer blog, but check them both. He makes drawings with a power that comes from the fast marks on the paper made with skinny pens and fat waxy pencils. Both his blogs have many sketches and studies including lots of nude ladies rolling around in bed along with a sprinkling of Smurfs.
A generalized observation is that many French-language comics artists work in a looser pencil rendered/hatching fashion such as this whereas traditionally U.S. based comics artists from the underground to the mainstream seem to primarily use a more defined inked line no matter how the work is colored. Or is the difference mostly in the coloring—the colored pencils? Is that something you have noticed, or a somewhat useless discussion being that it is so generalized? Are there regional or cultural influences that could have shaped this? Probably it would have to do with the language specific material available to artists as they were influenced during their formative drawing years. And what brand are those colored pencils and where can I get some? ha.
In any case, Jimmy’s websites are great to look at and have more sketches to see than you can absorb in one sitting.