
Leehan BOYNEXTDOOR Profile
- Birth name
- Kim Dong Hyun
- Birthday
- October 20, 2004
- Height
- 180 cm
- Age
- 21
- Zodiac
- Libra
- MBTI
- ESFJ
- Blood type
- O
Latest Official Videos
Visit YouTube Channel →Brand headline
Advertisement 728x90
About
Short bio
Leehan (이한) is a South Korean singer and member of BOYNEXTDOOR. Learn about his age, height, birthday, personality, hobbies, aquascaping passion, and fun facts.
Background
Kim Dong Hyun, better known by his stage name Leehan, was born on October 20, 2004, in Busan, South Korea. Before pursuing a music career, he trained as a taekwondo athlete, developing the discipline, balance, and body control that would later contribute to his performance skills. His athletic background helped shape the clean movements and strong stage presence that fans often praise today.
In 2023, Leehan debuted as a member of BOYNEXTDOOR under KOZ Entertainment. While known for his stable vocals and graceful performances, he has become equally famous for his unique hobbies and gentle personality. His love of aquascaping, fishkeeping, and marine life has made him one of the most distinctive members in the group, earning him a reputation as BOYNEXTDOOR's resident nature enthusiast.
More Pictures of Leehan (BOYNEXTDOOR)
FAQ
- How tall is Leehan?
- Leehan is 180 cm tall.
- How old is Leehan?
- Leehan is 21 years old.
- What group is Leehan in?
- Leehan is a member of BOYNEXTDOOR.
- What is Leehan's MBTI?
- Leehan's MBTI type is ESFJ.
- What is Leehan's position?
- Leehan's position is Vocalist.
- What is Leehan's real name?
- Leehan's birth name is Kim Dong Hyun.
Fun facts
Leehan was born as Kim Dong Hyun (김동현) on October 20, 2004, in Busan, South Korea. Source: KOZ Entertainment / KProfiles
Before becoming an idol, he trained as a taekwondo athlete. Source: Kpop Singers
His athletic background contributes to the clean and powerful dance lines fans often praise. Source: Kpop Singers
Leehan is known for his warm mid-to-low vocal tone. Source: Kpop Singers
He has expressed an interest in jazz music, which has influenced his approach to singing. Source: Kpop Singers
Leehan has a deep love for aquascaping, the art of designing underwater landscapes inside aquariums. Source: OMG! Idol
He is passionate about marine life and enjoys learning about fish and aquatic ecosystems. Source: OMG! Idol
Because of his caring and nurturing personality, fans often call him the "therapist of KOZ Entertainment." Source: OMG! Idol
Members frequently describe him as someone who provides emotional support and comfort within the group. Source: OMG! Idol
Leehan talks to his pet fish as if they are close friends. Source: Fandom
He has even created aquarium-themed ASMR content for fans. Source: Fandom
His love of fish and aquariums has become one of his most recognizable personality traits. Source: Fan Community Discussions
Leehan and fellow member Taesan share the unit name "Gongfourz." Source: KpopAngel
Fans often joke that Leehan could probably spend an entire day happily talking about fish and aquatic life. Source: Fan Community Discussions
His calm demeanor makes him one of the most relaxing members to watch during livestreams and interviews. Source: BOYNEXTDOOR Content
Despite his quiet image, he has a surprisingly playful side that comes out around the members. Source: BOYNEXTDOOR Variety Content
Leehan's hobbies are considered some of the most unique among fourth-generation K-pop idols. Source: Fan Community Discussions
Fans admire how unapologetically passionate he is about his interests. Source: Fan Community Discussions
Many ONEDOORs say his gentle personality makes him one of the easiest members to feel comforted by. Source: Fan Community Discussions
His combination of kindness, talent, and individuality has made him one of BOYNEXTDOOR's most beloved members. Source: Fan Community Discussions
Why Fans Love Leehan
Fans love Leehan because he has a calming presence that feels genuinely comforting. While many idols are known for loud energy or chaotic humor, Leehan stands out for his kindness, patience, and nurturing personality. Members frequently describe him as someone who listens carefully and takes care of others, which is one reason fans often call him the emotional support member of BOYNEXTDOOR.
His unique hobbies also make him memorable. Whether he's talking to his fish, building aquascapes, or sharing aquarium-related content, Leehan embraces his interests without trying to fit into typical idol stereotypes. Fans appreciate that authenticity and often say his love for nature reflects the same warmth and sincerity he shows toward people.









