Stage Name: Lee Joon
Birth Name: Lee Chang Sun
Nickname: Honey Abs
Birthday: February 7, 1988
Birthplace: Seoul, South Korea
Height: 180 cm
Weight: 65 kg

- He is ex-member of MBLAQ
- He is successful idol-turn-actor
- He appeared in HyunA's MV for "Bubble Pop"
- He knows how to dance ballet
- He is known for his sexy look and delicious looking abs
- He knows English well, but his pronunciation is very adorable yet bad
- Can sometimes be made fun of for being a “babo” (fool)
- In 2012 he was paired with actress Oh Yeon Seo to be his wife on the TV show We Got Married