just a question, did you actually researched the design of the things you created?,- they look to me somewhat like created just from scratch with lots of clich
hey eyes are too wide, thats why they look so close together, the nostrils are too big, the bone above the eye is too relaxed, that should stand out to create a strong brow line. i like the environment a lot. keep it up
Forget about the colours and highlights and everything. It is very important that you get his proportions down first because at the moment they are totally off. Find some reference of men standing up and observe how your drawing differs, take Jonas advice and even TRACE reference for your character to get the proportions…