I quick sculpt I did
reminds me of the troll guy used on the Blender features page. Nice job so far.
the side shot is missing all of the underlying structure to support the face. So it comes across as “things are missing”
Eeeew, its Grendel from Beowulf!
Great job! I agree with jessegp though, I suggest looking at faces and observing the features.
Keep up the good work!
quick test I did :