The VG Resource

I'm new here and working on the art for a game that I'll eventually finish. All I have so far is the main character, homicide detective Frank O'Neal.

The one on the left has a slightly different shoulder. Any suggestions for improvement?

Make the bottom part of the head black and for the hands try to define more the finger with a darker shade of the color or even black.
My opinion is that the best one is the right one.

Not sure what you meant about black at the bottom of the head, but I fixed the hand and edited the head so he's actually facing to the right.

I have another thing. A 10 frame running. Ignore some of the jumpy lines and shading and let me know about the animation itself:

His hair appears to be plastered to his head.
Interesting.
Make it separate at least a little.

The sprite is good but what I meant, when I said black at the bottom is this.
If you stand in front of a mirror and the sun is directly on your top left you will see that right below your neck there's a black shade covering part of your neck. Try spriting that effect on your sprite.

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Animation:
The animation is good but try fixing how the shade of the shoes change when his running and make it a bit faster and less jumpy.

Hope this helps you in some way.