Meu creeper!

Olá!

Fiz até com 2 olhos rs.

var tela = document.querySelector('canvas');
var pincel = tela.getContext('2d');



    pincel.fillStyle = 'white';
    pincel.fillRect(0, 0, 600, 400);

    pincel.fillStyle = 'darkgreen';
    pincel.fillRect(50, 50, 350, 300);

    pincel.fillStyle = 'black'
    pincel.fillRect(100,100 ,90, 90);

    pincel.fillStyle = 'black'
    pincel.fillRect(260,100 ,90, 90);

    pincel.fillStyle = 'black'
    pincel.fillRect(190, 190, 70, 100);

    pincel.fillStyle = 'black'
    pincel.fillRect(150, 240, 40, 110);

    pincel.fillStyle = 'black'
    pincel.fillRect(260, 240, 40, 110);

    pincel.fillStyle = 'red';
    pincel.beginPath();
    pincel.arc(305, 150, 15, 0, 2 * 3.14);
    pincel.fill();

    pincel.fillStyle = 'red';
    pincel.beginPath();
    pincel.arc(150, 150, 15, 0, 2 * 3.14);
    pincel.fill();