Once, in an article about North Korean Dictator Kim JongIl’s son, Yesung’s picture was mistakenly used. The reason for this mistake stems from the fact that Yesung and Kim JongIl’s son share the same birth name, Kim Jongwoon

Source: fysujufacts

Thank you kpopluver4everlol for answering the last question correctly ^^ 

Question 

On exploration of The Human Body, who was the evil one and kept pantsing Eunhyuk and threw his shorts into the stands?

Answer

Kang-In