IDID Members Profile and Facts
IDID (아이딧) is a 7-member South Korean boy group under STARSHIP Entertainment. The group was formed through the survival show Debut’s Plan. The group consists of Jang Yonghoon, Kim Minjae, Park Wonbin, Chu Yoochan, Park Seonghyeon, Baek Junhyuk, and Jeong Semin. Park Junhwan left on June 2, 2025. They released their first pre-debut single “STEP IT UP” on July 24, 2025, and made their official debut on September 15, 2025, with their first mini album, I did it.
Group Name Meaning: It’s an abbreviation for “I did it,” and carries the message: “I Did It. Finally I Made It!”
Official Greeting: “I did it! Hello! We are IDID!”
IDID Official Fandom Name: WITHID (위딧)
Fandom Name Meaning: With+idid: “A companion who walks together on IDID’s path, with IDID, and by IDID’s side.”
IDID Official Color: N/A
IDID Official Mascot: DODO (두두)
IDID Official Logo:
Latest Dorm Arrangement (updated in July 2025):
Jang Yonghoon, Baek Junhyuk and Jeong Semin
Kim Minjae and Park Wonbin
Chu Yoochan and Park Seonghyeon
Official SNS:
Website: idid-official.com/ starship-ent.com
Instagram: @idid_starship
X: @IDID_starship/ @IDID_JP
TikTok: @idid_starship
YouTube: IDID Official
Berriz: IDID
Weibo: @IDID_starship
BiliBili: IDID_starship
Spotify: IDID
IDID Member Profiles:
Jang Yonghoon (Rank #2)
Stage Name: Jang Yonghoon (장용훈)
Birth Name: Jang Yong Hoon (장용훈)
Position(s): Leader
Birthday: April 20, 2005
Zodiac Sign: Taurus
Chinese Zodiac Sign: Rooster
Height: 184.2 cm (6’0.5″)
Weight: N/A
Blood Type: N/A
MBTI Type: ENTJ
Nationality: Korean
Instagram: @imthedydraft
Jang Yonghoon Facts:
– He can make water drop sounds with his mouth and crack an apple with his hands.
– He has a routine where he washes his face, brushes his teeth, and then eats vitamins before bed.
– He is the oldest member.
– He spent a total of 2 years and 4 months training under STARSHIP Entertainment.
– During Debut’s Plan, he was one of the junior trainees, a term used for those at an intermediate level of training under STARSHIP.
– He uses hashtags like #ZOLD, #StrongMind, and #BurningPassion to describe himself.
– He is an only child.
– He used to train in short track speed skating when he was younger.
– He is the best eater in the group.
– He has been really into eating samgyeopsal (grilled pork belly) lately.
– He sang “Millions” by WINNER in his first audition.
– He is nicknamed Hoon-ie hyung, Yong-ie hyung, and Hoon-ie.
– When he was younger, he dreamed of becoming a sports trainer, a pianist, a flight attendant, a president, a priest, or a college professor.
– He was originally cast by Starship Entertainment to become an actor; however, he switched to idol after seeing other trainees’ practice
– He can’t eat spicy food, but if the person he’s eating with likes it, he still tries to enjoy the meal.
See more facts about Jang Yonghoon…
Kim Minjae (Rank #1)
Stage Name: Kim Minjae (김민재)
Birth Name: Kim Min Jae (김민재)
Position(s): N/A
Birthday: August 17, 2005
Zodiac Sign: Leo
Chinese Zodiac Sign: Rooster
Height: 180 cm (5’11”)
Weight: N/A
Blood Type: N/A
MBTI Type: INTJ (Previous result was INFJ)
Nationality: Korean
Instagram: @mr._.sxnflxwxr
Kim Minjae Facts:
– Minjae used to train at Def Dance Skool.
– He has a routine of stretching before practicing.
– His friends describe him as polite to teachers and someone who tends to be quiet and reserved.
– He spent around two years as a trainee under SM Entertainment.
– He passed auditions for both Cube Entertainment and Bighit Music
– Minjae looks up to both Michael Jackson and Michael Jordan as role models.
– He hopes to follow in their footsteps and become the next “MJ.”
– Minjae’s full of passion and energy when it comes to chasing his dreams.
– He trained for 3 years and 5 months.
– He is nicknamed Mandu, MJ, and Jjae.
– He sang “Green Rain” by SHINee in his first audition.
– When he was younger, he dreamed of becoming a soccer player.
– During Debut’s Plan he was one of the senior trainees, which refers to trainees who have trained under STARSHIP the longest.
– He can sing while jumping rope.
– He graduated from Daeyeong High School.
– He uses hashtags like #Jjae, #Ganada, and #sunflower to describe himself.
Park Wonbin (Rank #4)
Stage Name: Park Wonbin (박원빈)
Birth Name: Park Won Bin (박원빈)
Position(s): N/A
Birthday: April 19, 2006
Zodiac Sign: Aries
Chinese Zodiac Sign: Dog
Height: 183.8 cm (6’0.3″)
Weight: N/A
Blood Type: N/A
MBTI Type: INFJ
Nationality: Korean
Instagram: @won_beanity
Park Wonbin Facts:
– He uses hashtags like #White, #Alone, #Emotional, and #W to describe himself.
– He considers his dimple one of his most attractive features.
– He sang “Snow Flower” by Onew in his first audition.
– He can speak some Japanese, though he’s not fluent.
– Wonbin likes to challenge himself in various ways.
– He believes his bright energy is what makes him stand out.
– Wonbin graduated from Hanlim Multi Art School, where he majored in the Entertainment Department.
– He has trained for 4 years and 2 months, making him the second longest-standing trainee at STARSHIP (before debuting).
– He is good at doing cute object impersonations.
– During Debut’s Plan he was one of the senior trainees, which refers to trainees who have trained under STARSHIP the longest.
– Wonbin was the fourth member to be announced.
– Among all the members, he’s usually the last one to wake up.
– He has a dog.
– He is nicknamed Penguin and Binnie.
– When he was a trainee, he went to Gimbap Heaven every day and his favorite gimbap were the huge sausage gimbap and the shrimp tempura gimbap.
See more facts about Park Wonbin…
Chu Yoochan (Rank #5)
Stage Name: Chu Yoochan (추유찬)
Birth Name: Chu Yoo Chan (추유찬)
Position(s): N/A
Birthday: October 3, 2006
Zodiac Sign: Libra
Chinese Zodiac Sign: Dog
Height: 175 cm (5’9″)
Weight: 61 kg (134 lbs)
Blood Type: A
MBTI Type: INFJ (Previous result was INTJ)
Nationality: Korean
Instagram: @chooyuxx
Chu Yoochan Facts:
– He is from Guwol-dong, Namdong-gu, Incheon, South Korea.
– Yoochan believes his lips are one of his most attractive features.
– He sang “Love Me Less” by MAX in his first audition.
– He has trained for 4 years and 4 months.
– He uses hashtags like #Chukchuk, #Yuchan, and #Warm to describe himself.
– He has been really into eating kwabaegi (twisted Korean doughnuts) lately.
– When he was younger, he dreamed of becoming a tteokbokki shop owner.
– He graduated from Incheon Seokcheon Elementary, Gwol Middle, and Incheon Daeyoung Arts High School, where he majored in Practical Music and was part of the 3rd graduating class.
– Yoochan was a former trainee under IST Entertainment and passed the final audition for Kakao M in September 2019.
– During Debut’s Plan he was one of the senior trainees, which refers to trainees who have trained under STARSHIP the longest.
– He is nicknamed Chukchuk.
– He has an older sister and a younger sister.
– He trained at ‘STAGE631‘, operated by Tony Ahn and Bae Yoonjung. He also trained at Flat9 Academy.
– His role model is MONSTA X‘s Hyungwon.
Park Seonghyeon (Rank #8)
Stage Name: Park Seonghyeon (박성현)
Birth Name: Park Seong Hyeon (박성현)
Position(s): Rapper, Dancer
Birthday: October 5, 2007
Zodiac Sign: Libra
Chinese Zodiac Sign: Pig
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENTJ (Previous result was INTJ)
Nationality: Korean
Instagram: @iamfromstandard
Park Seonghyeon Facts:
– Seonghyeon trained for 3 years and 9 months.
– He enjoys playing basketball in his free time.
– Seonghyeon is skilled at playing the piano, composing, and writing lyrics.
– He decided to pursue a singing career back in 6th grade.
–His personal hashtags include #Rap, #Dance, #YouTuber, and #School.
– When it comes to music and performing, he’s very serious and dedicated.
– He is currently attending Hanlim Multi Art School, where he’s majoring in Practical Dance.
– During Debut’s Plan he was one of the senior trainees, which refers to trainees who have trained under STARSHIP the longest.
– Seonghyeon and Junhyuk became close friends after training together at the same company before joining Starship, not knowing they would end up there together.
– Seonghyeon is a former JYP Entertainment trainee.
– He has recently been into yogurt and ice cream.
– The song he sang at his first audition was “Love Yourself” by Justin Bieber.
– He likes skateboarding.
– He’s interested in fashion and likes shopping often.
– He thinks of himself as the mood maker in the team.
Baek Junhyuk (Rank #3)
Stage Name: Baek Junhyuk (백준혁)
Birth Name: Baek Jun Hyuk (백준혁)
Position(s): N/A
Birthday: June 7, 2008
Zodiac Sign: Gemini
Chinese Zodiac Sign: Rat
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENTP
Nationality: Korean
Instagram: @100bal_baekjun
Baek Junhyuk Facts:
– Junhyuk studied at DEF Dance Academy and Pick Planet Academy.
– Junhyuk is a former trainee under JYP Entertainment (2020) and SM Entertainment.
– He is good at swimming and doing backflips.
– Junhyuk has trained for 3 years and 4 months.
– His routine includes greeting everyone with energetic “Good morning!” and bringing a lively atmosphere.
– He ties his hobbies to things that bring him joy.
– He is currently attending Hanlim Multi Art School, where he majors in Practical Dance.
– Junhyuk and Seonghyeon became close friends after training together at the same company before joining STARSHIP, not knowing they would end up there together.
– During Debut’s Plan he was one of the senior trainees, which refers to trainees who have trained under STARSHIP the longest.
– His personal hashtags include #Shark, #MorningRoutine, #Irene, and #LeftCornerSeat.
– He has an older sister.
– Some of his nicknames are Shark and Junyeogi.
– He has recently been into mini yakgwa (Korean honey cookies).
– His childhood dream was to become a zookeeper.
– The song he sang at his first audition was “Treat You Better” by Shawn Mendes.
Jeong Semin (Rank #6)
Stage Name: Jeong Semin (정세민)
Birth Name: Jeong Se Min (정세민)
Position(s): Maknae
Birthday: October 10, 2008
Zodiac Sign: Libra
Chinese Zodiac Sign: Rat
Height: 177 cm (5’9.7″)
Weight: N/A
Blood Type: N/A
MBTI Type: ESFP (Previous result was ENFP)
Nationality: Korean
Instagram: @sxmihar_2514
Jeong Semin Facts:
– He is from Okgwa-myeon, Gokseong-gun, Jeollanam-do, South Korea.
– He has recently been into gimbap.
– Dancing is one of his strongest talents.
– He’s also good at playing football.
– He knows how to play the guitar.
– His childhood dream was to become a police officer.
– He graduated from Okgwa Middle School and currently studies at Hanlim Multi Art School, majoring in Practical Music.
– Semin was part of a dance crew called Kkwabadoo.
– He trained for 10 months.
– The song he sang at his first audition was “This Song” by 2AM.
– Semin compares himself to a puppy because of his love for fans and desire for affection.
– He trained at GO Arts Dance Studio.
– His personal hashtags include #Puppy, #Energy, #Maknae, #Power, and #HappyVirus.
– During Debut’s Plan, he was one of the beginner trainees, a term used for those who had spent the least amount of time training under STARSHIP.
– He is nicknamed “Sebai,” which is a shortened version of his name
– His routine includes spraying body mist after showering.
See more facts about Jeong Semin…
Former Pre-debut Member(s):
Park Junhwan (Rank #7)
Stage Name: Park Junhwan (박준환)
Birth Name: Park Jun Hwan (박준환)
Position(s): N/A
Birthday: January 1, 2007
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Dog
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENTP
Nationality: Korean
Instagram: @va1uab1e._.hwan
Park Junhwan Facts:
– Initially, he aspired to be an athlete.
– Junhwan lived in China before moving back to Korea.
– He took up sports to help him adjust to life in Korea.
– He sometimes struggles with organizing his thoughts.
– Junhwan believes that one’s thoughts and emotions are reflected in their appearance.
– He sees self-care as involving both mental and physical well-being.
– He was featured in Cosmopolitan Korea for the article “6 High School Talks About Beauty.”
– Junhwan graduated from Konkuk University Middle School and is currently attending Konkuk University High School.
– He has only trained for 5 months.
– Junhwan used to be a baseball player in elementary school but quit due to his parents’ disagreement.
– According to him, he learned a lot from his fellow trainees and constantly challenged himself to improve during his time as a trainee and contestant on Debut’s Plan.
– During Debut’s Plan, he was one of the beginner trainees, a term used for those who had spent the least amount of time training under STARSHIP.
– Junhwan was the seventh member to be announced.
– He was selected through the board save.
– Junhwan officially left the group on June 2, 2025. Prior to his departure, he was involved in several accusations regarding past misconduct. STARSHIP Entertainment denied the allegations, stating that they have sufficient evidence to refute them and will take legal action against the false rumors.
Note 1: 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! 
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Note 2: Jang Yonghoon‘s Leader position was confirmed during the group’s interview for Music Bank on July 25, 2025 (Link). Park Seonghyeon‘s Rapper and Dancer positions were confirmed at the group’s debut showcase (Link).
Note 3: The latest dorm arrangement was confirmed during IDID’s mukbang interview on “Bite&Interview” (Link).
Note 4: The members’ MBTI types were confirmed on MelOn Hi-Rising Profile (Link) and during Debut’s Plan.
For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Made by: “felipe grin§” & “ST1CKYQUI3TT”
(Special thanks to: leechansz, easybreezy, Ahessa Adhidevara, youknowIDID, stacy)
Related:
Debut’s Plan Contestants Profile
IDID’s Discography
Latest Official Release:
Who is your IDID bias? Do you know more facts about them? Feel free to comment below.
