• Full name: Matthew Kim
  • Date of Birth: October 20, 1992
  • Nationality: American (U.S.A)
  • Blood type: B
  • Group: KARD
  • Agency: DSP Media
  • Debut: July 2017
  • position in the group: King, Main dancer, lead rapper, sub vocalist
  • Family members: Mom, dad, 2 younger brothers
  • Nickname: Big Mat, Grasshopper
  • He was born and raised in the U.S.A
  • BM likes sweet food like dessert