S S [SS] of the front of 501 [Super Star], and  mean [five people forever one].
2005-03-dig program ' from the new face of M.net M! Pick (m. Peek) to signal the start the face through ' 2005-06-08 debut songs [warning] formal debut.
Japan, 2007, debut.
From August 2009 until February 2010 [SS501 ASIA TOUR PERSONA] concert tour.
S S 501 is a fan club name is a [Triple S]. the Pearl light green color tools support
Since 2005, as a rival of the [TVXQ] took a big popular idol group currently has their own solo activities to members.