 Complete the following phrase:  Apolo Ohno, who is of half Japanese descent, is a short track speed skater and an eight-time Olympic medalist as well as the most decorated American Winter Olympic athlete of all time. He became the youngest U.S. national champion in 1997 and was the reigning champion from 2001 to 2009, winning the title a total of 12 times. In 1999, he became the youngest skater to win a World Cup event title, and became the first American to win a World Cup overall title in 2001, which he won again in 2003 and 2005. He won his first overall World Championship title at the 