I like the style here. Perhaps a little more detail is called for in the eyes and mouth, that is to say, more of an expression for us to read might make for a more commanding image.
This appears to be more graphically conventional than your other two pieces. The lop sidedness of the purple head doesn’t come across as deliberate. It appears to need correction, as there are basic alignment issues with it. One the whole I prefer the other two pictures.
I like the style here. Perhaps a little more detail is called for in the eyes and mouth, that is to say, more of an expression for us to read might make for a more commanding image.