Yakuza's Yamabishi-gumi symbol. The Sixth Yamaguchi-gumi (六代目山口組, Rokudaime Yamaguchi-gumi?) is Japan's largest yakuza organization. It is named after its founder Harukichi Yamaguchi. Its origins can be traced back to a loose labor union for dockworkers in Kobe before World War II.
Yakuza - "Yakuza" written in katakana Presumed origin: The Kabuki-mono Creation: 17th century Actual number 102,400 members Principal clans: 1. Yamaguchi-gumi 2. Sumiyoshi-kai 3. Inagawa-kai Activities: Criminal activities and/or legitimate businesses