Jaehyun BOYNEXTDOOR Profile
- Birth name
- Myung Jae Hyun
- Birthday
- December 4, 2003
- Height
- 177 cm
- Age
- 22
- Zodiac
- Sagittarius
- Nationality
- South Korean
- MBTI
- ENFP
- Blood type
- A
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About
Short bio
Jaehyun (재현) is a South Korean singer, songwriter, leader, and member of BOYNEXTDOOR. Learn about his age, height, birthday, career, personality, favorite things, and fun facts.
Background
Myung Jae Hyun, better known as Jaehyun, was born on December 4, 2003, in South Korea. Before debuting, he trained at the renowned Def Dance Skool and spent time as a trainee under YG Entertainment before eventually joining KOZ Entertainment. His strong performance skills, leadership qualities, and creative mindset quickly helped him stand out among trainees, ultimately leading to his selection as the leader of BOYNEXTDOOR.
Jaehyun debuted in 2023 as the leader of BOYNEXTDOOR under KOZ Entertainment. Beyond performing, he has become known for his songwriting contributions, charismatic stage presence, and natural ability to communicate with fans. His popularity expanded even further when he became an MC for M Countdown alongside Sung Han Bin and RIIZE's Sohee, showcasing his confidence and charm as a host.
More Pictures of Jaehyun (BOYNEXTDOOR)
FAQ
- How tall is Jaehyun?
- Jaehyun is 177 cm tall.
- How old is Jaehyun?
- Jaehyun is 22 years old.
- Where is Jaehyun from?
- Jaehyun is from South Korean.
- What group is Jaehyun in?
- Jaehyun is a member of BOYNEXTDOOR.
- What is Jaehyun's MBTI?
- Jaehyun's MBTI type is ENFP.
- What is Jaehyun's position?
- Jaehyun's position is Leader.
- What is Jaehyun's real name?
- Jaehyun's birth name is Myung Jae Hyun.
Fun facts
Jaehyun was born as Myung Jae Hyun (명재현) on December 4, 2003, in South Korea. Source: KOZ Entertainment / KProfiles
He serves as the leader of BOYNEXTDOOR. Source: KOZ Entertainment
Before joining KOZ Entertainment, Jaehyun trained under YG Entertainment. Source: Nolae
He also attended Def Dance Skool, one of South Korea's most well-known dance academies. Source: Nolae
Jaehyun later became an MC for M Countdown alongside :contentReference[oaicite:2]{index=2} and RIIZE's Sohee. Source: Nolae
A cover performance of "I Need a Girl" on M Countdown went viral on TikTok and accumulated nearly six million views. Source: KpopAngel
The performance became popular enough to inspire a dance challenge trend online. Source: KpopAngel
Jaehyun reportedly didn't realize for quite some time that he had accidentally started a viral trend. Source: KpopAngel
If he could only watch one movie forever, he would choose :contentReference[oaicite:3]{index=3}. Source: Capital FM
He loves collecting and wearing perfumes because he believes having a unique personal scent is important. Source: Capital FM
One of his nicknames is "Leader Myeong." Source: Capital FM
Fans affectionately call him "MC Woonhak," despite him not being Woonhak. Source: Capital FM
When he was in sixth grade, a visit to a Halloween haunted house scared him so much that he cried. Source: Behind Rankings
His musical inspirations include :contentReference[oaicite:4]{index=4}. Source: Behind Rankings
He has also cited :contentReference[oaicite:5]{index=5} as a major influence on both his music and fashion sense. Source: Behind Rankings
Fans often praise his ability to balance leadership responsibilities with a playful personality. Source: Fan Community Discussions
Jaehyun is heavily involved in BOYNEXTDOOR's creative identity and songwriting process. Source: KOZ Entertainment
His energetic personality and strong communication skills make him one of the group's most outgoing members. Source: BOYNEXTDOOR Content
Members frequently rely on him to keep the group's energy high during schedules and interviews. Source: BOYNEXTDOOR Interviews
Fans love how naturally he switches between being a responsible leader and a chaotic best friend. Source: Fan Community Discussions
Why Fans Love Jaehyun
Fans love Jaehyun because he perfectly embodies BOYNEXTDOOR's approachable and youthful image. As the group's leader, he takes his responsibilities seriously, but he never comes across as distant or overly formal. Instead, he feels like the friend who naturally brings people together, making both members and fans feel comfortable around him.
His creativity and passion also make him stand out. Whether he's writing music, performing on stage, hosting programs, or sharing his interests in fashion and fragrance, Jaehyun brings genuine enthusiasm to everything he does. Fans especially appreciate his humor, emotional honesty, and ability to make people laugh while still being a dependable leader.
