2020 is the year of the Rat – or Mouse.  Here are a couple of my studies, trying to work out postures and ways to paint them.
I like the style in this video by Datong Xu.
Reluctant Rat has more information.
Here are some examples, and more, and a few more.
(If you use any of these as inspiration, remember to acknowledge the original artists).

The Chinese character for mouse or rat is , which is not particularly nice to write.  (It is the same character for both creatures).  It is slightly nicer in seal script or clerical script.