A sweet half-Korean and half-Filipino boy who can sing on a high note, Jeongwon is the pop belter of Down To Mars. Among the seven members of the inter-pop group, he is the one who lived in another country the longest, in Korea. He considers his smile as his best asset. 
 
 
Full name: Jeongwon/Jefferson Song
Age: 20
Birthday: September 27, 1991
Showbiz Anniversary: May 22, 2011
 
 
Q & A
What are your hobbies? Playing PSP, learning different languages, sleeping
What do you like to tell your fans? "Marsians, thank you so much for the support and sana di kayo magsawa. I love you."