TVXQ
In 2008, TVXQ made the Guinness World Records for having the world's largest official fan club. Cassiopeia, the band's official fan club, is claimed to have more than 800,000 official members just in South Korea, more than 200,000 official members in Japan (BigEast) and more than 200,000 international fans (iCassies). They also made Guinness a second time in 2009. Aside from having the world's largest fan club, the group was also listed as the most photographed celebrities in the world. From the day of their debut to March 19, 2009, the five members are estimated to have been photographed about 500 million times in magazines, albums jackets, and commercials, etc. The total figure includes individual photos as well as group pictures.