- Full name: Boo Seungkwan
- Date of Birth: January 16, 1998
- Nationality: Korean
- Blood type: B
- Group: Seventeen
- Agency: Pledis Entertainment
- Debut: May 2015
- Position in the group: Main Vocalist
- Family members: Mom, dad, older sister, younger sister, Seungkwan
- Nickname: ‘Booya’,’entertainment dreamer’, and ‘bunon’
- He has very neat handwriting
- Seungkwan’s hometown is Jeju Island. He likes his city
