Hexagon
During a profile activity, Hayeon accidentally called a pentagon a "hexagon." Fans loved the moment, and "Hexagon" naturally became the nickname for her personal fandom.
Jeong HaYeon
์ ํ์ฐ
tripleS โข All-rounder
The nineteenth revealed member of tripleS, leader of zenith, and a versatile performer recognized for her bright personality and distinctive vocals.
Basic Information
General information about Jeong HaYeon.
Stage Name
Hayeon (ํ์ฐ)
Birth Name
Jeong HaYeon (์ ํ์ฐ)
English Name
Luna Jeong
Birthday
August 1, 2007
Nationality
South Korean
MBTI
ENTP
Position
All-rounder
Official Fandom
WAV
Nicknames
Hedgehog, Haseok, Hayoi, Chocoball
Height
166 cm
Identity
Symbols and elements that represent Hayeon.
Representative Emoji
Hedgehog
Personal Fandom
Hexagon
Official Color
Medium Turquoise [#52D9BB]
Official Signature
tripleS Profile
Hayeon's journey as a member of tripleS.
Member Number
S19
Group
tripleS
Agency
MODHAUS
First Revealed
December 23, 2023
First Musical Appearance
NXT - Just Do It
Official Debut
May 8, 2024
Debut Album
ASSEMBLE24
Title Track
Girls Never Die
Current Units
NXT ยท Alphie ยท Zenith
Leader Of
Zenith
Academy prior to debuting
FLAT9 Dance & Vocal Academy
Position
All-rounder
โค๏ธ Hayeon's Favorites
A collection of Hayeon's favorite things, hobbies, games, characters, and more.
๐ฝ Favorite Foods
๐ฃ Sushi
๐ฆ Seafood
๐ฅฉ Meat
๐ฐ Cake
๐ Ramen
๐ง Macarons
๐ซ Blueberries
โ๏ธ Hobbies
โ๏ธ Writing
๐ฝ Eating
โ Visiting Fancy Cafรฉs
๐ฎ Favorite Games
โ Minecraft
๐งฑ Roblox
๐ซ PUBG
๐ฆธ Overwatch
๐ฌ Favorite Characters
๐ Minions from Despicable Me
๐ณ Totoro from My Neighbor Totoro
๐ง Petty from Pororo
๐ต Music Taste
๐ง R&B
Hayeon's Music Recommendations
Songs recommended by Hayeon throughout livestreams, Fromm, interviews, and other official content.
๐ต Open Playlist๐ซ Dislikes
๐ Oranges
๐ฅ Cucumbers
๐ Melons
โญ Fun Facts
Interesting facts and milestones about Jeong HaYeon.
Artist
Hayeon created the artwork for the 2025 April Fool's Day Objekt (357Z).
Whistle Register
She performed the whistle notes in Just Do It after Joobin encouraged her to record them.
Education
HaYeon attended Samhyeon Elementary School, Minrak Middle School, and Graduated from Lila Art High School on February 11, 2026.
Family
Hayeon is the niece of South Korean actor Im Hyung-joon, known for the Marrying the Mafia film series.
Training
Before debuting, Hayeon trained at FLAT9 Dance & Vocal Academy, alongside fellow tripleS members Dahyun and Joobin.
Childhood Dream
She admired Chaeyeon after watching Tok!Tok! Boni, Hani as a child. Years later they debuted together in tripleS.
Family
HaYeon was born in Pyeongchon-dong, Dongan-gu, Anyang, Gyeonggi-do, South Korea on August 1, 2007. Her family consists of her parents and one older brother (born 2004)
Special Talent
One of her specialties is singing extremely high notes, which she jokingly describes as sounding like a dolphin.