Singer Defconn and Go Young Wook perfectly transformed into 'Trouble maker'. 

On the 30th, Defconn posted a picture on his twitter along with the comments, "I feel sorry for Hyunah and Hyunseung, but I must copy. Dehhyun and Go Hyunah Chua~rouble maker!! keke"

In the picture, Defconn and Go Young Wook are copying 4Minute Hyunah and Beast's Hyunseung as they transform into the new 'trouble maker'. Go Young Wook is wearing a long wavy hair wig and catching the attention of fans. 

Fans have commented, "what happened?!!" and "Go Young Wook, you look so sexy~~~"