G.O
 
MBLAQ Sesame Player
MBLAQ's Hello Baby
 
 
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G.O
 

First Name: Byung Hee
Family Name: Jung
Native name: 지오
Also Known as: Jung Byung Hee;정병희
Nationality: South Korean
Gender: Male
Born: November 6, 1987

Jung Byung Hee, better known by his stage name G.O, is the main vocalist of boy group MBLAQ. He trained with Rain who was the group's founder and mentor. The group debuted on October 9, 2009 at Rain's Legend of Rainism concert.