• Full name: Kim Yongsun
  • Date of Birth: February 21, 1991
  • Nationality: Korean
  • Blood type: B
  • Group: Mamamoo
  • Agency: RBW Entertainment
  • Debut: June 2014
  • Position in the group: Leader, main Vocalist
  • Family members: Mom, dad, older sister, Solar
  • Nickname: ‘solbugi(solar+Squirtle), ‘Youngddoni’, and ‘Daejangnim'(boss) 
  • Solar is the oldest member of the group
  • Solar owns a YouTube channel, ‘Solarsido