Physiognomy of symbolical emotions.
Hexagram of the canon of changes YiKing 21.

drawing faces and physiognomy for cartoon pictures or emotional images emotional images for authors of drawing comics or cartoon pictures

If you are author of drawing comics or cartoon pictures for children or adults then can consider hexagrams of the canon of changes and images of the shown symbols of emotions for creation of comic characters and personages.
If cartoon pictures of comics are for children then it is possible to exclude sad emotional expressions of mouth from entire range of possible human emotions, and as a result psychological characteristics of drawing personages will be comprehensible to kids. Or it is possible to choose emotional images of characters for children's comics according to other criteria, but in any case authors of cartoon pictures can consider physiognomic symbols in this gallery for choice of drawing faces.

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Emotions of social relationships.
Eyebrows:
individual mind predominates over public consciousness.
Eyes: personal volition predominates over collective will.
Mouth: private needs subordinate to social requirements.
Own reason and personal volition of a man or woman dominate over corporative mentality and will of society, but individual needs depend on social requirements.

Personal mutual relations.
Eyebrows:
you realize people and-or companions agree with you.
Eyes: you wish to see people and-or companions need your presence.
Mouth: you can not speak and-or companions do not listen to you.

Mental attitudes.
Eyebrows:
your notion determines opinions of people.
Eyes: your point of view determines sights of people.
Mouth: your words are caused by assertions of people.

You aspire to people and force to think of you, but companions do not want to communicate with you.

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Following 22 physiognomic symbol in gallery.
About drawing faces and physiognomy for cartoon pictures, also emotional images and Japanese comics of Naruto Manga.