Kangaroos are used for advertising in a surprisingly large array of Japanese businesses. Sometimes, the connection to the leaping marsupial is obvious and needs no other explanation. Other times, the link is less apparent. Even so, the reason for using the Australian symbol is rarely given. A rare exception to this case is the Tanida Dental Clinic based in the Hyogo Prefecture city of Nishinomiya in western Japan. At first glance, there seems to be little reason for a dental clinic to use a kangaroo and joey to advertise its business. But the clinic provides an explanation for why it…