Girl's Generation
Girls' Generation (Hangul: 소녀시대; Hanja: 少女時代) Chinese name: Shao Nü Shi Dai, Japanese name: ShōJo JiDai is a South Korean nine-member girl group formed by SM Entertainment in 2007. The members include (in order of official announcement) Yoona, Tiffany, Yuri, Hyoyeon, Sooyoung, Seohyun, Taeyeon (the leader), Jessica, and Sunny. International Girls' Generation fans usually refer to the group as SNSD, the acronym of the group's Korean name So Nyeo Shi Dae.
2PM
2PM is a South Korean boy band, originally a seven-member group, but currently consisting of six members due to the sudden contract termination of leader Jaebeom following an Internet controversy in September 2009. They are managed by JYP Entertainment. The current members are Junsu, Junho, Nichkhun, Taecyeon, Wooyoung and Chansung.
KARA
Kara (카라, often stylized as KARA or KaRa) is a K-pop girl group from South Korea signed with DSP Media (DSP). The band name Kara comes from the Greek Word "chara" (χαρά, lit. "joy"), which the group interpreted to mean "sweet melody".
SUPER JUNIOR
Super Junior (Korean: 슈퍼주니어), often referred to as SJ or SuJu (슈주), is a popular boy band from South Korea formed by S.M. Entertainment in 2005. The group debuted with 12 members: Leeteuk (Leader), Heechul, Han Geng, Yesung, Kangin, Shindong, Sungmin, Eunhyuk, Donghae, Siwon, Ryeowook, Kibum and later added at 13th member named Kyuhyun; they are one of the largest boy bands in the world.