2AM Jo Kwon made a surprise appearance on KBS "Gag Concert."

On the July 15 episode of KBS "Gag Concert-The Discovery of Life," Jo Kwon surprised the audience and fans by playing the role of Shin Bora's new boyfriend.

As soon as the skit started, Shin Bora began bragging about her new boyfriend to  her ex-boyfriend, Song Joon Geun, at an ice cream shop saying, "He's a really good singer and he's good at sports," stirring curiosity as to who it could be.

Jo Kwon then appeared on stage and did his "kkab" version dance, living up to his nickname 'Kkap Kwon'.

He also was able to perfectly mimic singer Lee Soo Young and Jo Sung Mo's way of singing, bringing laughter to the audience.

Comedian Kim Joon Hyun also surprised the audience by going on stage while wearing Jo Kwon's costume for his "Animal" performance.