I recently came across the work of Slovakian-born artist Stefan Zsaitsits and his mixture of cartoony, but moody drawings. He layers lots of simple but effective pencil drawings of fantastic, detailed, notebook-esque characters with some elements of fever-dream scenarios floating around each persons head. They look like sketches from a crazed childrens book, but I like the balance of serious moods and basic character drawings that communicate a deeper emotion than most line drawings.
ARTIST WEBSITE
http://www.zsaitsits.com/en/drawing/2013/