I'd like to share a few recent things I made, if anyone finds it interesting  

Zbrush sculpts, the first one is a famous character and the second is my classmate. Can anyone guess the first one?  

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A few concepts for a game I'm making for my portfolio, I will make some of the concepts and do the programming for this game.

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I'm always open for feedback/critique, so if you have any, let me know ^^

Very nice work! Aladdin ftw!

Wow! Nice job man.

I really liked the staffs.

Beautiful work on the concept art and modeling. All in all, very well done. +1 from me.

Nice work there. Are you on CGtalk forums? If you're not, there's great community there for modellers and digital painters. I've always intended to get into 3d sculpting, since I love digital painting, and real-life scultping, carving etc. but I could never afford the programmes, and the free ones (like Blender) are not really any good for that kind of thing.

If you were looking for some critiques, I'd wonder what that guy is doing with his bow. He seems to be holding it palm-down and fiddling with the string, which is over his arm and therefore un-usuable. Concept art is all about communicating as much of the character as you can in one simple sketch, including (obviously) how they are dressed, but also whatever you can about their personality and skills. If you wanted to express a little more purpose and competence, I'd turn his hand so it was palm-up and have him nocking an arrow, and either square up his shoulders to make him look more defiant (if he's expecting a head-on attack), or exaggerate his lean a little to give him a more dynamic pose and make him look more furtive and sneaky if he's hunting or assassinating someone. You could also do with trimming some length off his left foot; it's out of proportion. Oh, and where are his arrows? He doesn't have a belt quiver or a back quiver, or any arrows stuck into the ground in front of him.

I'd also suggest changing his bow. It currently looks like a very lightweight bow that couldn't do much damage. What kind of bow he's using also says quite a lot about the character. If he's more of a soldierly or noble type he might use a heavy war-bow like this:

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Of if he's more stealthy (implied by the hood), a shorter bow that still has the poundage to pierce some kinds of armour like a scythian or mongol recurve with broader, flatter limbs:

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Thanks everyone! I appreciate the feedback

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I'm not on CGtalk but thanks for telling!

And about the bowguy, he does look kinda derpy Should've payed more attention to that design.
I didn't really had a clear idea of how he should look like, and I also haven't been practicing anatomy very long so I'm still struggling with it.
I'll keep your critique in mind for next time, and start practicing whenever I have the time

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Currently sculpting out one of the staff designs:

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Will texture it and bake the normal map onto a low poly model.