Use it as you wish, for an funny reference sheet or illustration ^^.
The line has no background, so you can add one if you want ^^ feel free to erase/modify the face to redraw one that suits you, the present face is there to help you if you can't make one, or if you're lazy like me haha ^^.
have fun!
here's an example of a reference sheet made with the base:

here's the neutral base:
