Lol! This one is fun ^^ As for cartooniness, there are many styles of caricature, each independent to each artist, and they can range from more three-dimensional with realistic rendering (like the ones you see in the Final Sketch section of this course) to more abstract and two-dimensional ones (like Al Hirschfeld's). Where you lean is up to you as an artist, but I would suggest trying both out, as well as different blends between the two, as experimentation helps you become more well-rounded and have more tools at your disposal.

Well done. The portraits are quite expressive. A personal preference of mine would be to have bigger eye pupils to make their faces look warm and interested. The shading in the first drawing looks a bit unintentional, and could be mistaken for actual shapes (beard stubble) or it ages the person (on the neck and under the eye). I love the Eddy Murphy drawing.