Okinawa

Okinawa was part of Japan. It was the home of Gichin Funakoshi. (AUDIO: The Way of the Empty Hand)

Bill Potts wore a jacket with "Okinawa" printed on it. (TV: The Pyramid at the End of the World)

In a parallel universe, Fuji was a fisherman from Okinawa. (COMIC: Lunar Lagoon)