G.O (real name: Jung Byunghee/정병희, born November 6, 1987) is a the lead vocalist of the South-Korean group MBLAQ. His first digital solo single 내 꿈에서라도 (Even in my Dreams) was released on July 4, 2011.

He is a former member of the 3-member group TYKEYS. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.