How to Make A Character Look Realistic

So I’ve made my own character for my own game. But the problem is…that it looks like crap. I’ve asked on BS but didn’t get any help or answers. I’m just wondering if there’s a way make my character look realistic.

Link: https://www.dropbox.com/sh/83kvfqzm5…LKPlnvR4a?dl=0

Options: You could eitherwise do me a favor and realistically texture my character or…you could give me useful tips and information on how to…

Note: Please don’t request that I use MakeHuman or some generating humanoid software, I want to do this legitimately.

whats wrong with makehuman (or manuel bastioni lab for a blender solution)?

the whole point of this software is to make the computer do some work for a change. there is nothing “illegitimate” about it. especially with the crazy open CC licenses makehuman offers.

im a programmer, not an artist, id never be able to make a character for my games. the same way UE blueprint or logic bricks are for artists, and not programmers.

Oh, but I already made the character so it’s pointless reverting.

Here’s two screen shots…