Sadly without any cool ninja turtle references:

and the code:
import turtle 
import turtlehack
from random import randint
bob = turtle.Turtle()
bob.ht()
bob.speed(0)
def bobfill(turtle):
    if randint(0,2) == 0:
        turtle.fill(True)
for i in range(randint(20,50)):
    bob.pendown()
    n = randint(0,3)
    if n == 0:
        bobfill(bob)
        turtlehack.colored_circle(bob,randint(0,50), turtlehack.random_color())
        bob.fill(False)
    if n == 1:
        bobfill(bob)
        turtlehack.colored_square(bob,randint(0,50), turtlehack.random_color())
        bob.fill(False)
    if n == 2:
        bobfill(bob)
        turtlehack.random_circle(bob, randint(1,10))
        bob.fill(False)
    if n == 3:
        bobfill(bob)
        turtlehack.n_sided_polygon(bob, randint(1,10),turtlehack.random_color(), randint(1,20), randint(5,120))
        bob.fill(False)
    if randint(0,2) == 1:
        bob.right(randint(0,360))
        turtlehack.dotted_line(bob, randint(5,40), randint(1,10), turtlehack.random_color())
    if (randint(0,90)%3)!=0:
        bob.penup()
    turtlehack.random_location(bob, 200,200)
print "done"
turtle.done()