You got mad Zbrush skills. Good job on the Brad Pitt one. The Will Smith one is good but needs some more tweaking to make him look more like Will Smith. The sea monster one is really good too but there seems to be a gap between your sculpting skills and your drawing skills. You might want to give that some more attention. Drawing from life is key.
So i've been doing some more serious anatomy and daily 30second gestures this week an i'll be showing those .... tomorrow when my father finally returns with MY camera. i cant scan them because they are on A2 papers
Here is a little quick face in photoshop i just did, tried to paint one without using ref and this is were it got me