What is Kim Joon's real name?
Kim Joon's real name is Kim Hyung-joon.
Kim Joon (born Kim Hyung-joon on February 3, 1984 in Gwacheon, Gyeonggi, South Korea) is a South Korean rapper and actor who rose to stardom with his portrayal of one of the famous F4 members in the 2009 hit drama Boys Over Flowers.
Source: Wikipedia: Kim Joon



