<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<canvas width="600" height="400"></canvas>
<script>
var pantalla= document.querySelector("canvas");
var pincel =pantalla.getContext("2d");
pincel.fillStyle = "darkgreen";
pincel.fillRect(0,0,350,300);//Creeper´s head
pincel.fillStyle = "black";
pincel.fillRect(45,45,90,90);//Creeper´s left eye
pincel.fillRect(205,45,90,90);//Creeper´s right eye
pincel.fillRect(135,135,70,100);//Creeper´s nose
pincel.fillRect(95,190,40,110);//Creeper´s lefth mouth part
pincel.fillRect(205,190,40,110);//Creeper´s right mouth part
</script>
</body>
</html>