Super Junior (Korean: 슈퍼주니어; Syupeo Junieo) is a South Korean boy band. Formed in 2005 by producer Lee Soo-man of S.M. Entertainment, the group comprised a total of thirteen members at its peak. Super Junior originally debuted with twelve members, consisting of leader Leeteuk, Heechul, Hankyung, Yesung, Kangin, Shindong, Sungmin, Eunhyuk, Donghae, Siwon, Ryeowook andKibum. Kyuhyun joined the group in 2006.
Known as the "Kings of the Korean Wave", Super Junior launched into international recognition following the release of their best-selling single "Sorry, Sorry" in 2009, the title song of their most critically successful album Sorry, Sorry and were the best-selling K-popartist for three years in a row.
Over the years, they have been divided into smaller subgroups, simultaneously targeting different music industries and audiences. Largely due to Super Junior's success as entertainers, other Korean entertainment managements began to train their music groups in other areas of entertainment, such as acting and hosting. In addition to their commercial success, Super Junior has earned fourteen music awards from the Mnet Asian Music Awards, sixteen from the Golden Disk Awards, and is the second singing group to win Favorite Artist Korea at the 2008 MTV Asia Awards after JTL in 2003. In 2012 they were nominated for "Best Asian Act" in MTV Europe Music Awards showing one more time their popularity around world.
In December 2009, Hankyung departed from the group after filing a lawsuit against their agency S.M. Entertainment. Hankyung subsequently won the lawsuit in December 2010, though his departure from Super Junior was not made official until September 27, 2011, when S.M. Entertainment finally released a statement to that effect. Heechul enlisted for his mandatory military service on September 1, 2011. Kangin was absent from the group for their fourth and fifth album promotions, but completed his service in April 2012, and rejoined the group for their sixth album in mid-2012, however, the absent five members are considered as part of the group regardless. Leeteuk enlisted for his mandatory military service on October 30, 2012. Yesung enlisted for his mandatory military service on May 6, 2013. As of 2013, Super Junior has eight active members: Kangin, Shindong, Sungmin, Eunhyuk, Siwon, Donghae, Ryeowook, and Kyuhyun.