THE SSYNDROME Members Profile and Facts
THE SSYNDROME (더씬드롬) is a 5-member South Korean pre-debut boy band under Dreamcatcher Company. The group consists of Seok Jun Ho, Yang Hee Gyo, Do Min Kyu, Jung Ji Yeong, and Shin Se I. Jang Min Joon and Lee Hyeok Ju left the group in November 2025. They released their first pre-debut digital single “ALIVE” on November 27, 2025. Their debut date is currently unknown.
Group Name Meaning: THE SSYNDROME is a combination of the words “Share” and “Syndrome”, carrying the meaning of “sharing a syndrome together”. They aim to express a wide range of emotions through their music and create a new syndrome through connection and empathy.
Official Greeting: “(two, three) Hello, We are THE SSYNDROME!”
THE SSYNDROME Official Fandom Name: N/A
Fandom Name Meaning: N/A
THE SSYNDROME Official Color: N/A
THE SSYNDROME Official Logo:
Official SNS:
Instagram: @thessyndrome_official
X: @thessyndrome
TikTok: @thessyndrome_official
YouTube: @THESSYNDROME
THE SSYNDROME Member Profiles:
Seok Jun Ho
Stage Name: Seok Jun Ho (석준호)
Birth Name: N/A
Position(s): Leader, Vocalist, Keyboardist
Birthday: February 13, 2004
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Monkey
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: INFJ
Nationality: Korean
Seok Jun Ho Facts:
– He was revealed as the fourth member on April 3, 2025.
– He has a big contrast between his stage and daily life moments.
– He has a cheerful, warm, and musical personality.
– His favorite foods are sushi and raw fish.
– He describes himself with the Korean character “끈,” which means persistence or tenacity.
– His favorite sport is badminton.
– His favorite word is “집밥,” which means homemade food.
– His bucket list includes going on an overseas tour concert.
– His favorite song is “Run Across the Sky” by Lee Jeok (이적 – 하늘을 달리다).
Yang Hee Gyo
Stage Name: Yang Hee Gyo (양희교)
Birth Name: N/A
Position(s): Vocalist, Guitarist
Birthday: April 18, 2005
Zodiac Sign: Aries
Chinese Zodiac Sign: Rooster
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENTP
Nationality: Korean
Yang Hee Gyo Facts:
– He was revealed as the second member on March 20, 2025.
– He has a bold stage presence but a calm daily demeanor.
– He has a personality that can be described as a mix of snail, turtle, and baby chick emojis (gentle, thoughtful, and innocent).
– His favorite food is samgyeopsal (grilled pork belly).
– He describes himself with the Korean character “꿈,” which means dream.
– His favorite sport is basketball.
– His favorite word is “온새미로,” which means something done in a natural or sincere way.
– His bucket list goal is to rank first on a music show.
– His favorite song is “Hurry Up” (빨래) by Lee Jeok.
Do Min Kyu
Stage Name: Do Min Kyu (도민규)
Birth Name: Do Min Kyu (도민규)
Position(s): Bassist
Birthday: October 7, 2005
Zodiac Sign: Libra
Chinese Zodiac Sign: Rooster
Height: N/A
Weight: N/A
Blood Type: AB
MBTI Type: ENFJ
Nationality: Korean
Instagram: @do.bby_isfree
Do Min Kyu Facts:
– He was a contestant on SBS’s audition show LOUD (2021). Unfortunately, he was eliminated during the fourth. He also auditioned for PROJECT 7 (2024), but failed to pass the Zero Setting round.
– He is shy by nature.
– His bandmate Jun Ho, who was also his senior in high school, was the one who convinced him to join the band.
– He worked on the songs “Flowering” for the survival show LOUD, “Strawberry Soda” for Loossemble, and more.
– He was revealed as a new member on November 12, 2025.
– He dreamed of standing on stage since childhood but kept it to himself due to his shyness.
– He is friends with PICKUS‘s Hyeonseung.
– He feels deeply connected to music and sees it as a source of energy throughout his life.
– He also used to go by the stage name BINNA for his work as a producer.
– He first rejected the band offer out of fear of failing again, but later accepted it to overcome his fears.
– He was accepted into the contemporary music department at his desired university.
Jung Ji Yeong
Stage Name: Jung Ji Yeong (정지영)
Birth Name: N/A
Position(s): Vocalist, Drummer
Birthday: June 22, 2006
Zodiac Sign: Cancer
Chinese Zodiac Sign: Dog
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ISFP
Nationality: Korean
Jung Ji Yeong Facts:
– He was revealed as the fifth member on April 10, 2025.
– On stage, he is like a cat, and in daily life, he is like a dog.
– His personality is a mix of cat-like, punctual, and dog-like traits.
– His favorite food is hamburgers.
– A single character that represents him is “정” (which means affection, attachment, or deep emotion in Korean).
– His favorite sport is soccer.
– His favorite word is “낭만,” which means “romance” or “romanticism.”
– One item on his bucket list is to hold a solo concert in a large venue.
– His favorite song is “When I Was Your Man” by Bruno Mars.
Shin Se I
Stage Name: Shin Se I (신세이)
Birth Name: Hwang Jin Seok (황진석)
Position(s): First Guitarist, Maknae
Birthday: October 10, 2006
Zodiac Sign: Libra
Chinese Zodiac Sign: Dog
Height: N/A
Weight: N/A
Blood Type: A
MBTI Type: ENFP
Nationality: Korean
Shin Se I Facts:
– He was revealed as the first member on March 13, 2025.
– He was a contestant on The Idol Band : Boy’s Battle.
– Education: Lila Art High School
– He is skilled at playing various instruments.
– He enjoys traveling.
– He takes pleasure in eating tasty food.
– He dislikes mushrooms and goodbyes.
– He describes himself with the hashtags #ENFP and #PlaysMultipleInstruments.
– His favorite sport is running.
– A single character that represents him is “꿈” (which means “dream”).
– His favorite food is pizza.
– His personality is expressive, shiny, and possibly sensitive or artistic (based on the emojis 🌌🪨✨).
– On stage, he is like a tiger, and in daily life, he is like a sheep.
– His favorite song is “Backlight” by Ado.
– One item on his bucket list is to become a brand ambassador.
Pre-debut Member(s):
Jang Min Joon
Stage Name: Jang Min Joon (장민준)
Birth Name: N/A
Position(s): Vocalist, Bassist
Birthday: June 1, 2005
Zodiac Sign: Gemini
Chinese Zodiac Sign: Rooster
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENFP
Nationality: Korean
Jang Min Joon Facts:
– He was revealed as the third member on March 27, 2025.
– On stage, he is like a ferret, and in daily life, he is like a bear.
– His personality is expressive and people-oriented.
– His favorite food is ramen.
– A single character that represents him is “짱” (which can mean “the best” or “awesome” in Korean slang).
– His favorite sport is kendo.
– His favorite word is “그냥,” which means “just” or “simply.”
– One item on his bucket list is to perform his own song on a big stage.
– His favorite song is “Warm On A Cold Night” by HONNE.
– He left the band in November 2025.
Lee Hyeok Ju
Stage Name: Lee Hyeok Ju (이혁주)
Birth Name: Lee Hyeok Ju (이혁주)
Position(s): Vocalist, Maknae
Birthday: September 29, 2007
Zodiac Sign: Libra
Chinese Zodiac Sign: Pig
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENFP
Nationality: Korean
Lee Hyeok Ju Facts:
– He was revealed as a trainee of Dreamcatcher Company on February 28, 2025.
– He is unpredictable.
– He likes baseball.
– His favorite baseball team is the Doosan Bears.
– He once crammed for exams and achieved 11th place in his school.
– He considers himself smarter than expected.
– He is an escape room master and has successfully escaped from over 100 escape rooms.
– Since childhood, people have often told him he has a pretty voice.
– He dreams of becoming a successful singer.
– For his introductory cover, he sang “HAPPY” by DAY6.
– He was revealed as the sixth member on April 24, 2025.
– His favorite food is chicken.
– A single character that represents him is “해” (which means “sun”).
– One item on his bucket list is to enter the Billboard charts.
– His favorite song is “10,000 Hours” by Dan + Shay and Justin Bieber.
– He left the band in November 2025.
Note: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot! 
– Kprofiles.com
Note 2: Their birthdays, positions, and MBTI types were confirmed in the introductory videos of the members shared on the group’s TikTok account.
Links: Seok Jun Ho, Yang Hee Gyo, Jang Min Joon, Jung Ji Yeong, Shin Se I, Lee Hyeok Ju.
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Made by: esperanza
(Special thanks to: fairyerimbin, Midge)
Latest Pre-debut Release:
Who is your THE SSYNDROME bias? Do you know more facts about them? Feel free to comment below.
