Martin Hisao Tanaka was an American professional wrestler better known as Duke Keomuka. He is the father of wrestler Pat Tanaka and referee Jimmy Tanaka. Because he was a Japanese American in California during World War II, Tanaka was interned at Manzanar. In the 1950s, Keomuka formed a very successful tag team with Hiro Matsuda. Keomuka was also a top wrestler in the 1950s and the 1960s while competing in Texas before settling in Florida. Keomuka died on June 30, 1991 at the age of 70. His s ...