It looks awesome.

However, if I am to judge based on the background, he looks like a frankenstein monster fresh from a modern lab. I think we can make him more connected to his backstory, if we put an indication that he has been living in a tunnel/forest for a long time? Maybe change the modern pant with a plant-type pant?

I hope I did not degrade your interest in art, this are just a newbies criticism. 🙂

In general, I do like how you do your art.

!1UP