Stage name: G.O. 지오
Real first name: Byung-hee 병희
Real surname: Jung 정
Birthday: November 6, 1987
Western zodiac sign: Scorpio
Eastern zodiac sign: Cat
Blood Type: A
Role in MBLAQ: Main vocalist
- The 4th person to become a trainee in MBLAQ. He came into J. Tune Camp 6 months after Seungho, and was appointed deputy leader (Star Interview 2009).
- After his bitter experience as a talent of TY Entertainment, he joined J. Tune Camp because he thinks Rain and his company is someone/something he can trust.
- His stage name G.O. was given by Rain and has the meaning of the English word "go", which is to "advance/move forward" (Star Interview 2009; ETN 2009 interview)
Listed talents on the MBLAQ website:
Listed hobbies on the MBLAQ website:
- Cooking (Idol Army V Ep. 3)
- Feminine (Pops in Seoul Dec. 2009)
- Actress Park Siyeon, who seems aloof but has very good personality (OBS Interview)
- Known for his beard and moustache upon debut, actually calls himself "Mr. Facial hair" (Arirang TV: Showbiz Extra, Nov. 2009 interview). Also has a hairy chest and legs (AoS Ep. 5; Idol Army V Ep. 1). Has said his role is being the band's moustache (ETN Interview 2009)
- Joon thinks G.O.'s body looks better than his but hides it. G.O. is conscious about his body/chest hair (Arirang TV: Showbiz Extra Dec 2009)
- Other Blaquies would consider him a rival because of his talent/s if he did not belong in MBLAQ (ETN Interview 2009)
- Have always wanted to be a singer, entered numerous singing competitions where he came in first or second place (Art of Seduction Ep. 1).
- Admitted he was a bad singer at first but improved due to constant practice (Star Interview 2009)
- First debuted in 2007 as a member of co-ed trio, Tykeys (ETN Interview 2009).
- American R&B singer Eric Benet is his favorite. He often chooses to sing Eric Benet songs (Star Interview 2009)
- Admires novelist Lee Oisoo (AoS Ep. 1)
- A fan of S. Korean singer Ivy (Ivy Back Dec 2009)
- Likes to wear hoodies - with the hood up (AoS, Sesame Player).
- Admits he's the Blaquie whose charismatic personality onstage is the most different from his real personality. He likes to fool around a lot (Arirang TV: Showbiz Extra Dec 2009).
- Although he is a joker/prankster, he is more likely to follow the rules than Seungho (AoS Ep. 4).
- Likes to joke about his costumes having feathers: People have called him a chicken (AoS Ep. 4); If you collect all the feathers that fall off his costume, you'll have one whole chicken (AoS Ep. 5); One side has less feathers than the other (Backstage @ Hanyeong's 2009 Rock U Show); Has joked in the This Is War photoshoot that he would fly.
- His head tilts back a 90 degrees angle when he falls asleep and can touch his back, he bought a back supporter to fix the habit (Pops in Seould Dec. 2009).
- Likes to play video games. Has been caught playing videogames with Cheondung behind the scenes (Arirang TV: Showbiz Extra Dec 2009).
- Often says "sorry" after making a lame joke (Showbiz Extra Dec 2009, ETN Interview 2009).
- Likes to shout one-word exclamation phrases: "Wah!", "Yah!", "Wow!" (Ivy Back 2009)
- Sometimes called "Appa" by Cheondung (IA5 Ep 1)
Note: This page is a work in progress