SS501 (pronounced as Double S Oh Gong Il in Korea) is a South Korean boyband under management of Daesung Entertainment, also known as DSP Entertainment. The name of the band is a combination of the alphabet and numbers that have special meanings in them. The first “S” stands for “Super”. The second “S” is an abbreviation for "Star". The number 5, 0, and 1 means "five members united as one forever".
The members consist of:
Kim Hyun Joong
Heo Young Saeng
Kim Kyu Jong
Park Jung Min
Kim Hyung Joon