Minecraft style pixels

Hi there,
I’m working on a game that will look like minecraft but I don’t how can I fix this(I think I need to write shader, but I never did that before)

19421-capture.png

alt text

As you can see my char looks ugly. But that is just test. I think he woould look much better if I can show pixels.
-Sry for bad english

in the image import settings set the compression to truecolor and change the filter mode to point in the import settings.