Quick Idol Overview
Stage Name: Seonghyeon
Birth Name: Eom Seonghyeon
Korean Name (한글): 이성현
Birthday: January 13, 2009
Age: 17 Years
Nationality: Korean
Zodiac Sign: Capricorn
Chinese Zodiac: Rat
Group / Solo: CORTIS
Company: BigHit Music
Position: Main Dancer, Vocalist
Debut Date: August 18, 2025 (CORTIS – “What You Want”)
MBTI: INTP
Social Media Presence
No official individual account of Seonghyeon (CORTIS)
Personal Details
Nickname: Dimple Boy, Princess, Eomji, Eombrella. Eomsal, Grumpy Eom, and Eomma
Hometown: Busan, South Korea
Hobbies: Dancing, photography, cycling, watching movies, playing basketball
Favorite Food: Fried chicken, tteokbokki
Favorite Music: Pop, dance, hip-hop
Favorite Color: Yellow
Role Model: J-Hope (BTS)
Physical Profile
| ATTRIBUTE | DETAILS |
|---|---|
| Height | 180 cm (5’9″) |
| Weight | Not Publicly Confirmed |
| Blood Type | Not Publicly Confirmed |
| Shoe Size | Not Publicly Confirmed |
Beauty Breakdown (Fan-Observed)
Face shape: Oval face with soft features
Eye type: Bright eyes with expressive gaze
Distinct features: Youthful visuals, cheerful smile
Body proportions: Long legs with athletic dancer build
Career Journey
Pre-Debut
● Joined BigHit Music as a trainee during his early teens
● Built a reputation for strong dance performance skills
● Participated in internal performance evaluations and showcases
● Selected for CORTIS after years of intensive training
Debut & Growth
● Introduced as a member of CORTIS in 2025
● Debuted with the group’s first EP Color Outside the Lines
● Gained attention for powerful stage energy
● Recognized as one of the group’s strongest producers
On-Camera Personality
● Bright and energetic personality
● Friendly and approachable
● Often raises the mood during group content
● Known for positive energy and enthusiasm
Fashion, Style & Aura
Airport fashion: Casual streetwear with sporty elements
Stage style: Dynamic and performance-focused
Signature items: Oversized jackets, layered outfits
Brand associations: Participates in CORTIS group campaigns and promotional partnerships
Fitness, Diet & Health
● Maintains athletic dancer physique
● Practices regularly to improve performance skills
● Focuses on stamina and flexibility
● Active lifestyle centered around dance training
Popularity Insights
● Known for strong stage presence
● Frequently praised for dance skills
● Growing international fanbase
● Popular among performance-focused fans
Viral Moments & Fan Favorites
● Debut-stage dance breaks
● High-energy performance clips
● Behind-the-scenes practice videos
● Playful interactions with members
Controversies & Clarifications
● No major controversies
● Maintains positive public image
● Known for professionalism and dedication
FAQs Fans Ask
What is Seonghyeon’s position in CORTIS? → Main Dancer and Vocalist.
What is Seonghyeon known for? → Dance skills and energetic performances.
Do Seonghyeon have siblings? → Yes, one younger sister.
Which company is Seonghyeon under? → BigHit Music.
Fun Facts You Didn’t Know
● Seems quiet and shy in interviews
● Contributed to all five songs on their debut EP
● Helps Martin in producing songs
● Known for his bright smile among fans