It seems like you've decided to go for an entierly different style, I personally liked the old one, it has more personality.
I would also ditch the outline if you intend to only display it on the grey background and want to use AA to smoothen it out.
Talking about AA, it's a bit of a mess and things could do well to be cleaned up somewhat in the direction of your newest version, although the newest version
could use some of the softer curves the old one got.
I made this edit for you where I cleaned up the edges, the A.A and some other elements, adjusting his body and so. I also made the details clearer and more easily readable(was in a hurry so his lower body became a bit sloppy):
Hope it helps you in the right direction!
/Coffee