2PM Chan Sung showed off his sense of humor and perfect abs.

On the 29th broadcast of MBC 'Radio Star' Chan Sung made his appearance as 'Best body. MC Yoo Sae Yoon asked him "I thought all of 2PM had nice bodies. Why do you think you're here?".

Yoon Sae Yoon continued "1, because we can get the most out of you, 2, because you have the best body, 3, because your schedules works, 4, because you'll talk the most without thinking".

To this, Chan Sung answered "are there two answers", answering "I think it's three and four".

Kim Goo Ra asked "who has the best body in 2PM?", and Chan Sung answered "our members have different time frames. I think I have the best body right now because I have the most time".

Chang Sung also showed off his chocolate abs.

Photo Credit: MBC