Stage name: Buffy (버피)
Real Name : Kim Joohyeon
Other Name Used: Kim Jedy / J.Di
Birth date: June 15, 1995
Position: Rapper
Nationality: Korean
Hometown : Seoul
Height: 179cm
Weight: 63kg (139lbs)
Blood type: B
Specialties: Rap Making, Japanese
Pre-debut works : back dancer of Boom, Sistar, Baek Seungheon, 4 Minute, G.Na & MBLAQ while in DQ
School : School of Performing Arts Seoul (SOPA)
Year of training in JTC : 2011-2014 (3 years)
Sub-Unit: Pro C
- He debuted in 2013 as part of a duo "Pro C" under the same company together with Moos who is also a member of Mad Town.