Jeungsan’s Joonie Oppa (증산동의 준이오빠)

Kim Myeongjoon, known by the stage name Jeungsan's Joonie Oppa (증산동의 준이오빠), is a Korean artist who served as main vocalist of the group Dongnae Oppa.

No further verified details — regarding his discography, active period, chart performance, or current activities — are available in the supplied material.