Leehan BOYNEXTDOOR has rapidly become one of the most talked-about members of the South Korean boy group under KOZ Entertainment. With his striking visuals, bright personality, and one-of-a-kind hobbies, he has won the hearts of fans around the world. In this article, we’ll explore his background, career, and the unique qualities that make him stand out.
Complete Profile of Leehan BOYNEXTDOOR
Before diving into his journey and achievements, let’s first get to know Leehan’s basic profile. These details highlight his identity as both an artist and an individual, giving fans a clearer picture of who he is beyond the stage.
- Stage Name: Leehan (이한)
- Birth Name: Kim Dong Hyun (김동현)
- Birthday: October 20, 2004
- Zodiac Sign: Libra
- Height: 180 cm (5’11”)
- Weight: 59 kg (130 lbs)
- Blood Type: O
- MBTI Type: ESFJ
- Nationality: Korean
- Representative Emojis: 🦁, 🐠, 🐰, 👽 (formerly 🍤, 🦐)
Leehan BOYNEXTDOOR’s Age and Background
Leehan was born on October 20, 2004, in Busan, South Korea. As of 2025, he is 20 years old. Growing up in Allak-dong, Dongnae-gu, Busan, he shared a close bond with his family, which includes his parents and an older sister. His warm upbringing and love for nature played a significant role in shaping his personality and interests. He completed his middle school education at Anrak Middle School before pursuing his dream of becoming a singer.
Interesting Facts About Leehan BOYNEXTDOOR
Aside from his idol life, Leehan is admired for his many personal quirks and talents that reflect his individuality. From his passion for fish-keeping to his role as a dependable supporter within his group, these facts reveal more about his personality and charm.
- He is passionate about fishes and plants, and his favorite fish are corydoras.
- His hobby is raising fishes, and he is skilled in decorating aquariums with aquascapes.
- Leehan created a valley aquascape for a dorm fish tank filled with cardinal tetras and corydoras.
- Known as a good listener, he often provides advice to his fellow members, earning the nickname “therapist of KOZ Entertainment.”
- He enjoys swimming and is confident in various marine sports.
- Leehan has a sweet tooth for gummies, often preferring them over a full meal.
- His sparkling eyes are considered one of his most charming points, alongside his strong sense of skincare knowledge.
Career Journey and Early Beginnings
Before officially debuting, Leehan trained under KOZ Entertainment, where he honed his singing and dancing skills. He also took dance classes at S.D.K Art Factory to improve his stage presence. On May 5, 2023, KOZ Entertainment introduced Leehan as one of the members of BOYNEXTDOOR. The group made their official debut on May 30, 2023, with the single album Who!. Since then, Leehan has been showcasing his talents and growing his fanbase both locally and internationally.
Role and Contributions in BOYNEXTDOOR
Within BOYNEXTDOOR, Leehan plays the role of a supportive counselor, always ready to lend an ear to his fellow members. His positive energy makes him an essential part of the group’s dynamics. Besides his role as a vocalist, his care for others and leadership qualities shine through in group activities. Members often rely on him for advice, and his balanced personality helps maintain harmony within the group.
Achievements and Notable Highlights
Although still early in his career, Leehan has already achieved notable recognition as part of BOYNEXTDOOR. The group’s debut was well-received, and Leehan’s individual charms quickly captured fans’ attention. Unfortunately, in July 2024, he faced a temporary setback due to skin inflammation, requiring him to pause activities for proper treatment and rest. However, his resilience and dedication assure fans that he will continue to shine in the future. As part of BOYNEXTDOOR, Leehan is expected to participate in more music projects, performances, and activities that will solidify his place in the K-pop industry.
Leehan BOYNEXTDOOR is more than just a talented idol, he embodies positivity, passion, and care for those around him. With his unique hobbies, striking visuals, and strong team spirit, Leehan continues to grow as an artist and as an individual. Fans can expect to see even more remarkable achievements from him in the years to come.
