[Proyecto] Creeper!!

Buenas tardes, mi version del creeper!

<canvas width="600" height="400"> </canvas>

<script type="text/javascript">

    var pantalla = document.querySelector ("canvas");
    var pincel   = pantalla.getContext("2d");

    pincel.fillStyle =  "lightgrey"
    pincel.fillRect(0,0,600,400);
    //CABEZA
    pincel.fillStyle =  "darkgreen" ;
    pincel.fillRect(100,50,350,300);
    //OJOS
    pincel.fillStyle =  "black" ;
    pincel.fillRect(150,100,90,90);
    pincel.fillStyle =  "black" ;
    pincel.fillRect(310,100,90,90);
    //NARIZ
    pincel.fillStyle =  "black" ;
    pincel.fillRect(240,190,70,50);
    //BOCA
    pincel.fillStyle =  "black" ;
    pincel.fillRect(200,230,150,50);
    pincel.fillStyle =  "black" ;
    pincel.fillRect(200,270,50,80);
    pincel.fillStyle =  "black" ;
    pincel.fillRect(300,270,50,80);

</script>