Wow here is a nice piece of history. This is an original picture from Jack Spitler of him and his brother.
"This is a picture of What I now believe to be about the first minibike produced, Im driving and my brother is on the Back, Was called a Doodle Bug sold by Western Auto, Our Dad bought this for us when I was 12 years old which would have been in 1946 Im 72 now and still have minibike's."