Boy Groups Pre-debut

THE SSYNDROME Members Profile & Facts

THE SSYNDROME Members

THE SSYNDROME (더씬드롬) is a six-member Kpop boy band under Dreamcatcher Company. The group consists of Seok Jun Ho, Yang Hee Gyo, Jang Min Joon, Jung Ji Yeong, Shin Se I, and Lee Hyeok Ju. Their debut date is unknown.

THE SSYNDROME Profile

Debut N/A
Active Years 2025–present
THE SSYNDROME Members Seok Jun Ho, Yang Hee Gyo, Jang Min Joon, Jung Ji Yeong, Shin Se I, Lee Hyeok Ju
Genre N/A
Status Pre-debut
Label Dreamcatcher Company
Oldest Member Seok Jun Ho
Youngest Member Lee Hyeok Ju
Former Member N/A
Fandom Name N/A

THE SSYNDROME Facts:

– THE SSYNDROME is labelmates with the girl group Dreamcatcher and the actor Lee Seung Ho.
– The members were revealed in the following order: Shin S I – Yang Hee Gyo – Jang Min Joon – Seok Jun Ho – Jung Ji Yeong – Lee Hyeok Ju.
– The company is launching the boy band seven years after their previous group Dreamcatcher.

SOCIAL MEDIA HANDLES
Instagram: @thessyndrome_official
X: @thessyndrome
TikTok: @thessyndrome_official
YouTube: @THESSYNDROME

THE SSYNDROME Members Profile

1. Seok Jun Ho

Seok Jun Ho (THE SSYNDROME)
Seok Jun Ho
Stage Name Seok Jun Ho (석준호)
Birth Name Seok Jun Ho (석준호)
Position Vocalist, Keyboardist
Birthday February 13, 2004
Active Years 2025–present
Age 21 (in 2025)
Zodiac Sign Aquarius
Height N/A
Weight N/A
Nationality Korean
Blood Type N/A
MBTI INFJ

Seok Jun Ho Facts:

– Seok is the oldest member in THE SSYNDROME.
– He chose the Korean character “끈,” which means persistence or tenacity, to describe himself.
– He likes listening to “Run Across the Sky” by Lee Jeok (이적 – 하늘을 달리다).
– He is known for his cheerful and warm personality.
– His Chinese zodiac sign is Monkey.
– He was introduced as the fourth member of THE SSYNDROME on April 3, 2025.
– He loves to eat sushi and raw fish.
– The word he likes the most is “집밥,” which means homemade food.
– He wishes to go on an overseas concert tour.
– He is very different on-stage than in his everyday life.
– He loves to play badminton among all sports.

2. Yang Hee Gyo

Yang Hee Gyo (THE SSYNDROME)
Yang Hee Gyo
Stage Name Yang Hee Gyo (양희교)
Birth Name Yang Hee Gyo (양희교)
Position Vocalist, Guitarist
Birthday April 18, 2005
Active Years 2025–present
Age 20 (in 2025)
Zodiac Sign Aries
Height N/A
Weight N/A
Nationality Korean
Blood Type N/A
MBTI ENTP

Yang Hee Gyo Facts:

– Yang Hee Gyo was introduced as the second member of the group.
– He used the Korean character “꿈,” (dream) to describe himself.
– He has a calm and quiet personality in daily life.
– He likes listening to the song “Hurry Up” (빨래) by Lee Jeok.
– His Chinese zodiac sign is Rooster.
– He loves to eat samgyeopsal (grilled pork belly).
– He is passionate about basketball.
– He likes the word “온새미로” which means doing something sincerely.
– His goal is for the band to rank first on the music show.
– He described his personality with a snail, turtle and baby chick emojis.

3. Jang Min Joon

Jang Min Joon (THE SSYNDROME)
Jang Min Joon
Stage Name Jang Min Joon (장민준)
Birth Name Jang Min Joon (장민준)
Position Vocalist, Bassist
Birthday June 1, 2005
Active Years 2025–present
Age 20 (in 2025)
Zodiac Sign Gemini
Height N/A
Weight N/A
Nationality Korean
Blood Type N/A
MBTI ENFP

Jang Min Joon Facts:

– Jang Min Joon was introduced as the second member of THE SSYNDROME.
– He likes the word “그냥,” which means “just” in Korean.
– He described himself as a ferret on stage and like a bear in daily life.
– He loves to eat ramen.
– He is passionate about Kendo.
– He used the character “짱” to represent himself which means “awesome”.
– He likes listening to “Warm On A Cold Night” by HONNE.
– He has an extroverted and expressive personality.
– His Chinese zodiac sign is Rooster.
– His goal is to perform his own song on a big stage.

4. Jung Ji Yeong

Jung Ji Yeong (THE SSYNDROME)
Jung Ji Yeong
Stage Name Jung Ji Yeong (정지영)
Birth Name Jung Ji Yeong (정지영)
Position Vocalist, Drummer
Birthday June 22, 2006
Active Years 2025–present
Age 19 (in 2025)
Zodiac Sign Cancer
Height N/A
Weight N/A
Nationality Korean
Blood Type N/A
MBTI ISFP

Jung Ji Yeong Facts:

– Jung Ji Yeong was introduced as the fifth member on April 10, 2025.
– He likes listening to “When I Was Your Man” by Bruno Mars.
– He described his personality as a mix of cat and dog.
– He is passionate about soccer.
– He used the character “정” to represent himself which means attachment, or deep emotion.
– He likes the word “낭만,” which means “romance” in Korean.
– His Chinese zodiac sign is Dog.
– He described himself as a cat on stage and like a dog in daily life.
– He loves to eat hamburgers.
– His goal is to hold a big solo concert.

5. Shin Se I

Shin Se I (THE SSYNDROME)
Shin Se I
Stage Name Shin Se I (신세이)
Birth Name Hwang Jin Seok (황진석)
Position First Guitarist
Birthday October 10, 2006
Active Years 2025–present
Age 18 (in 2025)
Zodiac Sign Libra
Height N/A
Weight N/A
Nationality Korean
Blood Type A
MBTI ENFP

Shin Se I Facts:

– Shin Se I was introduced as the first member on March 13, 2025.
– He participated on the show “The Idol Band : Boy’s Battle.”
– He graduated from Lila Art High School.
– He used the character “꿈” to represent himself which means dream.
– He is good at playing many musical instruments.
– He likes the word “낭만,” which means “romance” in Korean.
– His bucket list includes becoming a brand ambassador.
– He loves to travel and eat delicious food.
– He used to the emojis 🌌🪨✨ to describe himself.
– He described himself as a tiger on stage and like a sheep in daily life.
– He is passionate about running.
– He likes listening to “Backlight” by Ado.
– He hates mushrooms and goodbyes.
– Hashtags that describes him are: #ENFP and #PlaysMultipleInstruments
– His Chinese zodiac sign is Dog.
– He loves to eat pizza.

6. Lee Hyeok Ju

Lee Hyeok Ju (THE SSYNDROME)
Lee Hyeok Ju
Stage Name Lee Hyeok Ju (이혁주)
Birth Name Lee Hyeok Ju (이혁주)
Position Vocalist, Maknae
Birthday September 29, 2007
Active Years 2025–present
Age 17 (in 2025)
Zodiac Sign Libra
Height N/A
Weight N/A
Nationality Korean
Blood Type N/A
MBTI ENFP

Lee Hyeok Ju Facts:

– Lee Hyeok Ju is skilled at escape rooms and has escaped from over 100 escape rooms.
– He was introduced as the sixth member of the band.
– He loves listening to “10,000 Hours” by Dan + Shay and Justin Bieber.
– He was revealed as a trainee under Dreamcatcher Company on February 28, 2025.
– He sang the cover song “HAPPY” by DAY6 for his introduction.
– He said people have always told him that he has a pretty voice.
– He loves to eat chicken.
– He once ranked 11th in his school after studying hard for the exam.
– He used the Korean character “해” (sun) to represent himself.
– His bucket list includes ranking on the Billboard Charts.
– He described his personality as unpredictable and considers himself to be smarter than expected.
– His Chinese zodiac sign is Pig.
– He is passionate about baseball and his favorite baseball team is the Doosan Bears.



Note: Which THE SSYNDROME member caught your eye first? Let us know in the comments down below! 

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WRITTEN BY

Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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