Two relatively unknown comic book artists stumble upon an idea that will give rise to Turtlemania, sending the toy industry into shell shock.

Bringing immense joy to children, and now bronies, these half-pint hoofers have redefined the modern doll in an era dominated by Barbies and Berries.

From WrestleMania to retail mania: The creators responsible for wrestling's choke hold on toy store shelves reflect on their triumphs and setbacks.