G.O

Jung Byung-hee (born 6 November 1987), better known by his stage name G.O, is a South Korean singer-songwriter and actor.

He is best known as a member of South Korean boy band MBLAQ.

He is the youngest in his family and has two older sisters.

His hometown is Changwon.

He suffers from narcolepsy.

In 2007, G.O debuted with Ty Keys, co-ed R&B group composed of a female and male vocalist and one male rapper.

When the company went bankrupt, he went to court to end his contract.

Later in 2009, G.O debuted as the main vocalist for MBLAQ, a five-member boy group under J. Tune Entertainment.

He trained with Rain who was the group's founder and mentor.

The group debuted on 9 October 2009 at Rain's Legend of Rainism concert where they performed various songs from their then-unreleased single album Just BLAQ.

Their performance was met with praise, with many concert spectators and fans considering them to be the next TVXQ.

MBLAQ's first single, "Oh Yeah", was released to the public through a music video on 14 October 2009 with their debut single album, Just BLAQ releasing on the same day.

MBLAQ made their broadcast debut with the song "Oh Yeah" on Mnet's M! Countdown.

The group has starred in various South Korean variety shows as guests as well as in their own variety shows like Mnet's MBLAQ – The Art of Seduction, MBC's MBLAQ's Idol Army, Mnet's Sesame Player, KBS's Hello Baby Season 5, and MBC's Idol Manager.

In late 2009, MBLAQ's first aired program was Mnet's MBLAQ- The Art of Seduction, which received record ratings.

On 15 December 2009, it was announced that the group would be part of season five of the Idol Show (, lit. Idol Army, She Has Arrived!), with the first episode airing a day later.

MBLAQ filmed a total of sixteen episodes.

In early 2010, G.O collaborated with J.ae in "I Can't Tell You This Is the End".

Later he collaborated with Nassun for "O-IWI-O" and "One".

On 11 and 12 November, the Group of Twenty Finance Ministers and Central Bank Governors (G20), who represents the 20 Major economies of the world, scheduled a summit Seoul.

20 idol singers from various popular South Korean groups were recruited to sing the theme song for the 2010 G20 Seoul Summit.

G.O along with Gyuri (Kara), Seohyun (Girls' Generation), Jun. K (2PM), Changmin (2AM), Jaekyung (Rainbow), Jonghyun (Shinee), Sungmin (Super Junior), Kahi (After School), Luna (f(x)), Jieun (Secret), Junhyung (Beast), Gayoon (4minute), Min (miss A), Bumkey, G.NA, Son Dam-bi, Seo In-guk, IU, and Anna took part in recording the theme song, titled "Let's Go".

In late 2010, G.O collaborated with JeA's Brown Eyed Girls in "Because You Sting" (released on 28 Dec.)."

With their trip to Japan for Rain's fanmeet, music channel Mnet Japan decided to film a documentary of their stay, selecting them as the first stars of their show 2010 K-Pop Star series.

The documentary, called ''Yo!

Tokyo'', aired in early 2010, showing the public their experience with Japanese culture and traditions over a period of four days.

From 18 February 2010, G.O. along with his fellow member, Lee Joon took on the role of co-hosts (MCD Guys) for the music show M! Countdown.

To coincide with the 2010 FIFA World Cup, MTV Korea created a program called Idol United, where members of male idol groups formed a soccer team to compete against other soccer teams.

The fourteen-member team consisted of members from U-KISS, ZE:A, F.Cuz, and D-NA (Dae Guk Nam Ah), with MBLAQ members being Seungho, Lee Joon and Mir.

At the end of May, MBLAQ participated in GOMTV's Making the Artist, a small documentary on their life as artists.

MBLAQ made their Japanese debut on 3 May 2011 with an event held at the Kanagawa Lazona Kawasaki Plaza which gathered a reported 10, 000 fans.

A day later, on 4 May, they released their first Japanese album Your Luv which immediately reached first position of the Oricon Daily Charts, selling more than 11,000 copies.

Since their debut, MBLAQ has released three single albums, three extended plays, and one studio album.

On 4 July 2011, G.O finally released his long-awaited solo debut track, "Even In My Dreams".

The song earned many headlines for being personally written and produced by himself.

Unfortunately, G.O did not promote this song on music programs to prepare for MBLAQ's comeback.

On 16 October 2012, G.O was featured in Ailee's music video for her title single of the extended play, "I Will Show You".

On 20 November 2013, G.O. returned with a second solo digital single "Play That Song".

The track is produced by renowned pianist Yiruma as well as 2FACE, raising the bar even higher and increasing anticipation.

On 28 September 2019, G.O married actress Choi Ye-seul.