Here is a head model that I am working on. The finished result will be a fully rigged head (with key drivers).
pixeltroll
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Here is an update to my head model. I did some tweaking on the head over all. Also I added some color to the head and eyes. And added some ears which need more work. Any crits would be welcome.
Thanks
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Here is another update on my head model. It is mostly done now. I still have teeth and tongue to add, but I think that’s it. The next step after finishing the model will be to start working on the morph targets. 
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It lacks realism. Although i can see you are going for a cartoony look so realism is not needed. Good job