Been doing a lot of early morning sketching lately, and just started an online character design class to experiment in that direction and inform better 3D design. Here's a sketch for the first assignment (design an older, British entrepreneur in a smoking jacket & monacle), and a bunch of morning doodles. Should be doing a lot of drawing over the next 3 months, so I'll consider this post a sort of "starting line" benchmark...
Got some good critique notes, primarily to be more attentive to 3d structure/form. Fortunately, I believe I have the background to think that way!
And doodles: