void setup() {
  size(200,200);  //Sets size
  smooth();
}

void draw() {
  background(255);  //Draws a white background

  //Set ellipses and rectangles to center
  ellipseMode(CENTER);
  rectMode(CENTER);

  //Alien body
  stroke(0);
  fill(150);
  rect(mouseX,mouseY,20,100);

  //Alien head
  fill(255);
  ellipse(mouseX,mouseY-30,60,60);

  //Alien eyes
  fill(0);
  ellipse(mouseX-19,mouseY-30,16,32);
  ellipse(mouseX+19,mouseY-30,16,32);

  //Alien legs
  stroke(0);
  line(mouseX-10,mouseY+50,mouseX-20,mouseY+60);
  line(mouseX+10,mouseY+50,mouseX+20,mouseY+60);
}