fully know how to draw a character belonging to the world of comics mean you have to know the details of anatomy, of course, without going in detail.
Let's analyze the "Elements of the Face" :
1) A notation must be made on key ' EYE: It is important never to forget that the eye must be treated as a three-dimensional flows in part from the eye socket.
It follows that the lids are perfectly suited to the scale of the cornea, with 'you can see in this example:
below shows the sequence of an eyelid that closes slowly in order to better understand As I have just described: the lid does nothing but follow the roundness of the eyeball modeled on it. 
then an error that should never be done is to create an image like this: 
2) Let us now consider the ' EAR: ear, apart from small differences in curvature of external attack and consistency of the lobe is almost equal in all men and women. The position it occupies on the sides of the face is not vertical as often tends to draw the inexperienced, but inclined: it is an inclination that tends to parallel with that of the muzzle. For sake of completeness, I reproduce below the drawing of the human ear:
much easier, however, is the design of a ear cartoon character:
3) Finally, the MOUTH that, as we saw in the previous lesson, is a detail of the face just as importantly, it conveys a certain meaning and that, together with the eyes, enables us to understand the state of mind a comic character. 
