Everything About The Latest Boy Band from Mnet Survival Show X1 Profile, Member Formation, Debut Songs, and More


Everything You Should Know About Mnet Latest Boy Band from the Produce 101 series Produce X 101 – X1

X1 is a newcomer boy band formed through the Produce X 101 survival program. Just like in the previous seasons, Produce X 101 is followed by 101 trainees from various agencies and independent applicants, including trainees who have debuted, both solo and debuted as members of boy bands. After 12 episodes finished, 11 trainees were chosen to debut as X1 members, namely Han Seung-woo, Cho Seung-Yeon, Kim Woo-Seok, Kim Yo-Han, Lee Han-Gyul, Cha Jun-Ho, Son Dong-Pyo, Kang Min-Hee, Lee Eun-Sang, Song Hyeong-Jun, and Nam Do-Hyun. The group debuted on August 27th, 2019, with the release of the mini-album Emergency: Quantum Leap with the song “Flash” serving as the title song.

In this article, Byeol Korea will introduce you to everything about Mnet’s latest boy band from Produce X 101 – X1. So, stay tuned!

Group Full Profile


Group Name: X1 (엑스 원)
Label: Swing Entertainment
Number of Members: 11
Debut: August 27th, 2019
Debut Song: Flash
Fandom Name: ONE IT
Official Color of Fan X1: Butterfly, Ethereal Blue, Sunshine, and Galaxy Blue
X1’s Official Accounts:

  • Twitter: @x1official101 & @x1members
  • Instagram: @x1official101
  • Facebook: X1
  • YouTube: X1
  • Vlive: X1
  • FanCafe: X1

Members Full Profiles and Facts

Han Seung-woo Full Profile

Stage Name: Seungwoo (승우)
Birth Name: Han Seung-woo (한승우)
Position: Leader, Main Vocalist
Date of Birth: December 24th, 1994
Zodiac Sign: Capricorn
Chinese Sign: Dog
Nationality: Korean
Height: 184 cm (6’0″)
Weight: 63 kg (138 lbs)
Blood Type: B
Company: Plan A
PDX101 Class: A – A

Facts About Han Seung-woo

  • Seungwoo is from Busan, South Korea
  • Seungwoo has 2 older sisters, one of whom is Han Sun-Hwa (Ex-SECRET)
  • Seungwoo is a member of the boy band VICTON
  • Seungwoo almost used the stage name Seungwooni because the company wanted to make his image look cute
  • Seungwoo is the “father” of VICTON
  • He is the most athletic member of VICTON
  • He is a Buddhist
  • His nicknames are Seunggu, Six-pack, Captain
  • His favorite colors are Red and Black
  • Role Models: Taeyang and G-Dragon
  • Expertise: Melody, singing, dancing, and rapping
  • Hobbies: Football, going to cafés, watching movies, and music
  • Seungwoo used to want to be a UCF athlete
  • His family had financial problems when he was young
  • Seungwoo is a B2ST fan (now HIGHLIGHT)
  • He likes to do activities alone, like jogging, walking, and eating
  • He can imitate the sound of Pikachu and also the sound of goats
  • He doesn’t like bugs
  • He doesn’t like dust
  • He likes martial arts
  • He has several tattoos on his body
  • He wants to work with Apink, G-Dragon, and Huh Gak
  • He doesn’t like to dip or pour sauce into his food
  • In Produce X 101, Seungwoo was close to Son Dong-Pyo. Seungwoo is considered as the father and Dongpyo as his son
  • Seungwoo won the title “Nation Leader” in PDX101
  • Seungwoo is one of the trainees with the best vocal abilities in PDX101
  • Seungwoo is not good at sharing his feelings with others
  • Seungwoo is very close to Jinhyuk, Yuvin, Wooseok, and Kookheon
  • In the final round, Seungwoo was ranked 3rd with a total number of votes 1,079,200

Cho Seung-youn Full Profile

Stage Name: Seungyoun (승연) (Solo activities WOODZ)
Birth Name: Cho Seung-youn (조승연/曹承衍)
Position: Main Vocalist, Lead Rapper
Date of Birth: August 5th, 1996
Zodiac Sign: Leo
Chinese Sign: Rat
Nationality: Korean
Height: 183 cm (6’0″)
Weight: 68 kg (150 lbs)
Blood Type: O
Company: Yuehua Entertainment
PDX101 Class: B – B
Instagram: @woodz_dnwn

Facts About Cho Seung-youn

  • Seungyoun is from Gyeonggi, South Korea
  • Education: Hanlim Multi Arts High School
  • Languages: Korean, Chinese, Tagalog, English, and Portuguese
  • Seungyoun is a member of the boy group UNIQ
  • Seungyoun was known as WOODZ while doing solo activities and previously he used the stage name Luizy
  • Previously he attended a soccer school in Brazil. He then fell in love with music and returned to Korea where Seungyoun did many auditions
  • Nickname: Monkey
  • Expertise: Football, beatbox, krumping, writing lyrics, composing songs, and rapping
  • Hobbies: Shopping, drinking coffee, training, playing games
  • Favorite brands: Adidas, Nike, Balmain, Yves Saint Laurant, and Vivienne Westwood
  • Favorite movies: Harry Potter, About Time, The Avengers, Goal, If Only
  • Favorite animals: lions, tigers, cats, dogs, and horses
  • He is friends with Vernon (Seventeen), Kino (Pentagon), Jimin (15), and Yugyeom (GOT7)
  • He likes all types of food
  • He already has 2 collaborations with Hyunsik (BTOB) – Baby Ride and Honhab
  • He created the song “It’s Okay” for the survival program Idol Producer (Chinese)
  • He participated in the survival program Show Me the Money but was eliminated
  • In the final round of PDX101, Seungyuon was ranked 5th with a total vote count of 929,331

Kim Woo-seok Full Profile

Stage Name: Wooseok (우석)
Birth Name: Kim Woo-seok (김우석)
Position: Lead Vocalist, Visual
Date of Birth: October 27th, 1996
Zodiac Sign: Scorpio
Chinese Sign: Rat
Nationality: Korean
Height: 173 cm (5’8″)
Weight: 58 kg (128 lbs)
Blood Type: B
Company: TOP Media
PDX101 Class: B – A

Facts About Kim Woo-seok

  • Wooseok was born in Daejeon, South Korea
  • Wooseok is an only child
  • Education: Doang Ah Institute of Media and Arts
  • He joined TOP Media in 2014
  • He is a member of the boy band UP10TION
  • He was the first member of UP10TION to be revealed
  • He used the stage name Wooshin in UP10TION
  • Nickname: Desert Fox
  • Point of concern: Face
  • Role Model: Park Hyo-shin
  • Favorite artist: BTS
  • Favorite food: spicy chicken feet and spicy pork legs
  • Hobbies: Watching movies, reading poetry, and finding restaurants
  • Wooseok also likes boy band SEVENTEEN, and his favorite member is Wonwoo
  • Wooseok and Jeon So-mi were MCs on the SBS The Show music program from October 11th, 2016 to April 25th, 2017
  • He likes to draw and play video games
  • He likes a girl who has double eyelids
  • Wooseok has never been out of the top 10 in PDX101 and he was ranked 1st during the second elimination round
  • Woseok is very close to Seungwoo, Byungchan, Kookheon, and Yuvin
  • Wooseok was ranked 2nd in PDX101 with a total vote count of 1,304,033

Kim Yo-han Full Profile

Stage Name: Yohan (요한)
Birth Name: Kim Yo-han (김요한)
Position: Lead Rapper, Vocalist, Center, Face of the Group
Date of Birth: September 22nd, 1999
Zodiac Sign: Virgo
Chinese Sign: Rabbit
Nationality: Korean
Height: 181 cm (5’11″)
Weight: 66 kg (146 lbs)
Blood Type: B
Company: OUI Entertainment
PDX101 Class: A – C
Instagram: @y_haa.n

Facts About Kim Yo-han

  • He is from Jungnang-gu, Seoul, South Korea
  • Yohan has 2 younger sisters
  • Yohan attended Seoul Physical Education High School
  • Yohan underwent training for 3 months before attending Produce X 101
  • Yohan was ranked first with a total vote count of 1,334,001
  • Yohan’s first friend in PDX101 is Taeeun
  • Yohan is also very close to Junho
  • He likes to play with his younger siblings
  • Yohan is known for having a silly and carefree personality
  • Yohan received a lot of guidance from Seungwoo and Jinhyuk since the appearance of “Boss.” He said without their help and support, he could not have shown much progress in PDX101
  • His father is a master taekwondo
  • Yohan can do taekwondo. He practiced for 13 years and he won 2nd place in the taekwondo championship
  • He once got a scholarship because of taekwondo

Lee Han-gyul Full Profile

Stage Name: Hangyul (한결)
Birth Name: Lee Han-gyul (이한결)
Position: Main Dancer, Lead Vocalist
Date of Birth: December 7th, 1999
Zodiac Sign: Sagittarius
Chinese Sign: Rabbit
Nationality: Korean
Height: 176 cm (5’9″)
Weight: 69 kg (152 lbs)
Blood Type: O
Company: MBK Entertainment
PDX101 Class: C – D

Facts About Lee Han-gyul

  • Hangyul was born in Incheon, South Korea
  • Family: Father, mother, 2 brothers
  • Hangyul has two older brothers whose ages are 15 and 16 years old
  • Hangyul was abandoned when he was a baby and he lived in an orphanage until he was 7 years old
  • He was adopted during class 1 by a mother who worked as a social worker
  • Hangyul got a lot of affection from his adoptive parents, he also wanted to repay it with effort and hard work
  • When he was 6 or 7 years old, he was trapped at the door while playing with his friend and because of that incident, he had surgery
  • He decided to become a singer because he wanted to repay the kindness of his family and friends
  • Hobbies: Watching movies, bowling, taekwondo, basketball, and acrobatics
  • Expertise: dancing, acrobatics
  • Favorite color: Neon black and Yellow
  • Favorite song: John Park – In The Rain
  • Favorite movie: Avengers and any superhero movie
  • Favorite season: Winter and fall
  • Favorite midnight snack: Chinese food
  • Hangyul has a difficulty seeing things that are a little distanced
  • Hangyul practiced taekwondo for 8 years but now he has stopped
  • One habit is talking while sleeping and sniffing clothes
  • Hangyul doesn’t like Cicada animals
  • Hangyul likes to practice
  • Hangyul doesn’t like spicy food
  • Hangyul was the back-up dancer of Jiyeon (T-ARA) – Lullaby and Shannon – Hello
  • Before joining PDX101, Hangyul first followed the survival program The Unit (Rank 13)
  • Hangyul underwent training for 4 years and 2 months
  • In the final round of PDX101, Hangyul was ranked 7th with a total vote count of 794,411

Cha Jun-ho Full Profile

Stage Name: Junho (준호)
Birth Name: Cha Jun-ho (차준호)
Position: Vocalist, Visual
Date of Birth: July 9th, 2002
Zodiac Sign: Cancer
Chinese Sign: Horse
Nationality: Korean
Height: 178 cm (5’10″)
Weight: 63 kg (139 lbs)
Blood Type: A
Company: Woollim Entertainment
PDX101 Class: C – C

Facts About Cha Jun-ho

  • Junho is from Hongseong-gun, South Chungcheong
  • He has 1 older brother and 1 older sister
  • He attends Hanlim Multi Art High School
  • Junho underwent training for 1 year and 3 months
  • Junho is a classmate of Han Chowown (Produce 48) and Taehyun (TXT)
  • Many consider Junho to be similar to Kim Myung-soo or also known as L from INFINITE
  • Expertise: Singing
  • Hobbies: Watching movies, and goblin languages
  • He is very close to Yohan. He was helped by Yohan to study after much criticism because he was like a robot when he was singing
  • In the final round of PDX101, Junho was ranked 9th with a total of 756,939 votes

Son Dong-pyo Full Profile

Stage Name: Dongpyo (동표)
Birth Name: Son Dong-pyo (손동표)
Position: Lead Dancer, Vocalist
Date of Birth: September 9th, 2002
Zodiac Sign: Virgo
Chinese Sign: Horse
Nationality: Korean
Height: 166 cm (5’5″)
Weight: 48 kg (106 lbs)
Blood Type: O
Company: DSP Media
PDX101 Class: B – A

Facts About Son Dong-pyo

  • Dongpyo is from Yeongdeo, South Korea
  • Education: Youngdong High School
  • Dongpyo underwent training for 1 year and 5 months
  • Dongpyo was chosen as the center during the first PDX101 show for the title song “X1-MA”
  • Expertise: Urban dance and sound imitating
  • Hobbies: Singing, coloring, and dancing
  • Dongpyo can make his face change from “angel” expression to “devil” expression
  • Dongpyo is part of a dance group called “ARTBEAT” which the dance group likes to cover K-Pop dances
  • He wears braces on his bottom teeth
  • Dongpyo said he was afraid of breaking tradition as the first show center (center) that didn’t debut like the previous season
  • In the final round, Son Dongpyo was ranked 6th with a total vote count of 824, 389

Kang Min-hee Full Profile

Stage Name: Minhee (민희)
Birth Name: Kang Min-hee (강민희)
Position: Vocalist
Date of Birth: September 17th, 2002
Zodiac Sign: Virgo
Chinese Sign: Horse
Nationality: Korean
Height: 182 cm (5’11″)
Weight: 60 kg (132 lbs)
Blood Type: AB
Company: Starship Entertainment
PDX101 Class: X – D
Instagram: @min_h.ee

Facts About Kang Min-hee

  • Minhee was born in Suncheon, South Jeolla, South Korea
  • His parents have a medical background
  • Minhee underwent training for 1 year and 9 months
  • Minhee was among the smart students. He entered the top 5 in his school
  • Minhee was recruited by the Starship casting team when going to school
  • Minhee appeared in Mad Clown & Ailee – Thirst’s video together with Hansol and Yujin (IZ*ONE)
  • Minhee had to go to the hospital after recording Jima (X1 – MA) because of enteritis
  • Minhee remembers all the evaluation concept songs to be ready for what he gets
  • In the final episode of PDX101, Minhee was ranked 10th with a total vote count of 794,444

Lee Eun-sang Full Profile

Stage Name: Eunsang (은상)
Birth Name: Lee Eun-sang (이은상)
Position: Vocalist
Date of Birth: October 26th, 2002
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Horse
Nationality: Korean
Height: 179 cm (5’10″)
Weight: 63 kg (139 lbs)
Blood Type: A
Company: Brand New Music
PDX101 Class: A – C

Facts About Lee Eun-sang

  • Eunsang was born in Jeju Island but moved to Busan when he was 2 years old
  • Education: Seoul School of Performing Arts
  • Eunsang underwent training for 1 year and 2 months
  • Eunsang is a talented dancer. When he was in junior high, he was the leader of his dance group
  • Eunsang learned to dance completely by himself
  • He can speak English
  • Expertise: Singing and dancing
  • Hobbies: Watching movies and going to restaurants
  • He has a quiet personality and also he is very polite
  • Eunsang has rather bad eyesight. Sometimes he wears glasses but most often he wears contact lenses
  • Eunsang can play the violin
  • Eunsang wrote a letter to his friends and teacher before going to Seoul to undergo training
  • In the final round, Eunsang received X rank

Song Hyeong-jun Full Profile

Stage Name: Hyeongjun (형준)
Birth Name: Song Hyeong-jun (송형준)
Position: Lead Dancer, Rapper, Vocalist
Date of Birth: November 30th, 2002
Zodiac Sign: Sagittarius
Chinese Sign: Horse
Nationality: Korean
Height: 174 cm (5’9″)
Weight: 55 kg (121 lbs)
Blood Type: A
Company: Starship Entertainment
PDX101 Class: X – D

Facts About Song Hyeong-jun

  • Hyeongjun is from Gyeongsang-do, South Korea
  • He underwent training for 1 year and 3 months
  • Hyeongjun liked to play soccer when he was little Chubby Hyeongjun (chubby) when he was young
  • Expertise: Dancing
  • Hobbies: learning dialects
  • Role Model: Jooheon (Monsta X)
  • He is very close to Han Woojin who is also a trainee from Starship Entertainment
  • Hyeongjun was ranked 4th with a total vote count of 1,049,222

Nam Do-hyon Full Profile

Stage Name: Dohyon (도현)
Birth Name: Nam Do-hyon (남도현)
Position: Main Rapper, Maknae
Date of Birth: November 10th, 2004
Zodiac Sign: Scorpio
Chinese Sign: Monkey
Nationality: Korean
Height: 180 cm (5’11″)
Weight: 62 kg (137 lbs)
Blood Type: O
Company: MBK Entertainment
PDX101 Class: A – D

Facts About Nam Do-hyon

  • Dohyon is from Incheon-si, Gyeonggi, South Korea
  • He has one older brother
  • Dohyon studied in Denmark and Japan
  • Dohyon underwent training for 5 months since the start of PDX101
  • Dohyon is a former Under Nineteen contestant
  • He earned the nickname “Weird Kid” when competing in Under Nineteen
  • He was eliminated in the Under Nineteen program in episode 9 (12th in the rap team and 42nd overall)
  • Dohyon studied rap for 3 months before joining PDX101
  • Expertise: Rap and beat box
  • Hobbies: Writing lyrics, composing songs, playing piano
  • Favorite food: Chicken
  • Together with his brother at MBK Entertainment, Dohyon wants to help save his company
  • He likes to make strange noises
  • Dohyon can speak English and Japanese
  • Dohyon got the nickname “rap genius” by national producers
  • Dohyon was ranked 8th with a total of 764,433 votes

Formed Through Mnet Produce 101 Season 3

X1 was formed through the Produce X 101 survival program which aired on Mnet from May 3rd to July 19th, 2019. From 101 trainees, Mnet selected 11 of the 20 trainees who entered the final round through the voting of fans. Meanwhile, the last member referred to as rank X was chosen from the remaining trainees and had the highest vote ranking, if combined from all the episodes that had aired. All X1 members were announced by a live broadcast on Mnet which was held on July 19th, 2019.

After the program ended, X1 signed a contract with Swing Entertainment, the agency that previously oversaw Wanna One. The members will also promote as X1 members for 5 years. Out of those 5 years, 2.5 years will be used exclusively for promotion as X1 members, and the rest can be used by members to do activities with their respective agencies. On August 19th, 2019, X1 announced its fandom name “ONE IT”. ONE IT has two different meanings, namely “want it X1” as the first syllable of the word “want” in Korean (원 하다), and sounds like “one” in English. Meanwhile, the second meaning is “one of it,” thus, the members want to explain that fans are one of the most important people for X1.

Meanwhile, welcoming their official debut, the reality show program titled X1 Flash has been aired by Mnet since August 22nd, 2019. The reality show program was created to show how the X1 members’ activities were approaching debut, and also to show the daily activities of the members of X1. X1 officially debuted on August 27th, 2019, with the release of the song “Flash” of the debut album titled Emergency: Quantum Leap. After officially debuting, X1 held a debut showcase at Gocheok Sky Dome, Seoul on the same date.

X1 Members Ranks

  • 1st Rank – Kim Yo-han
  • 2nd Rank – Kim Woo-seok
  • 3rd Rank – Han Seung-woo
  • 4th Rank – Song Hyeong-jun
  • 5th Rank – Cho Seung-youn
  • 6th Rank – Son Dong-pyo
  • 7th Rank – Lee Han-gyul
  • 8th Rank – Nam Do-hyon
  • 9th Rank – Cha Jun-ho
  • 10th Rank – Kang Min-hee
  • X Rank – Lee Eun-sang

Debut Preparation and Performance

In the first episode of the reality show X1 FLASH which aired on Mnet, X1 members shared stories about the difficulties they experienced. Dohyon as the maknae (youngest member), for example. He admitted that although excited about his debut, he felt a strange feeling. Likewise, with Minhee, he said he was worried about everything that would happen after his debut. “My expectations (after debut) were very high, but (after debut), they did not guarantee success,” he said.

In addition, Wooseok also talked about the choreography of their debut song titled “Flash.” According to him, the choreography of this song was an extreme challenge for himself and also for other members. “It was very difficult, so we wondered if we could do the choreography correctly,” said the 1996-born idol. In addition to sharing their challenging debut preparations, the X1 members also talked about their struggle to become an idol. As revealed by the center of X1, Yohan, an outstanding taekwondo athlete, finally decided to become an idol. “I have to wait for the right time to finally convince my parents, to allow me to reach my dream as an idol,” said the man who stole attention through Se7en’s song “Come Back to Me” during the audition of Produce X 101.

When they debuted, X1 released a mini-album titled Emergency: Quantum Leap, also made a debut show-con in Gocheok SkyDome. The X1 members claimed to be very nervous about the concert. “Because this is a very large stage, we are worried about our performance there,” said idol from Woollim Entertainment, Junho. In addition, Hangyul honestly expressed that he was afraid of how people viewed them. Meanwhile, X1 leader, Seungwoo, also said that he felt worried before debut. “I’m worried and also feel a burden. I’m also happy. So many feelings that make me overwhelmed,” said Seungwoo.

At the end of the show, X1 members, Wooseok and Seungyoun asked fans called One It to wait for the song “It’s Okay.” According to Wooseok, the song really conveyed the feelings of the X1 members. “This song comforts me, that the future will be better because I am starting a new journey now,” Seungyoun added.


Mnet Voting Scandal

South Korean police have arrested Produce X 101 program director (PD), Ahn Joon-young, who admitted manipulating the voting during an examination on Tuesday (5/11/2019). IZ*ONE and X1 idol groups born from the program were affected.

A new boy band from the third season of Produce 101, Produce X 101 was formed on broadcast dated July 19th, 2019. With the name X1, the boy band consisted of 11 people and was born based on the combined results of text voting and online voting on the final night. Paid online voting is sent by the audience during the program. After the final night of Produce X 101, fans compared the total voting of the winning trainees and suspected manipulation of the voting text. They saw a difference in the distance between the results of the trainees’ voting.

Mnet denies any speculation of voting manipulation in the final night of Produce X 101. A statement from a source from Mnet, “We are aware that there is a suspicion in the text voting. So we continue to check the data internally, but that does not exist at all. There is no problem with the text voting and there is no manipulation.” Following the controversy, the Seoul Metropolitan Police Agency’s Cyber ​​investigation team said they had received a written request to investigate Mnet. They have also begun an internal investigation into the Produce X 101 program regarding the alleged manipulation.

The police conducted a search and seizure at the Produce X 101 office. The police then secured the belongings from the office of the staff at the CJ Entertainment building in Sangam, South Korea. In the midst of controversy, the boy band formed by Produce X 101, X1, still made its debut. After being selected from the Produce X 101 audition, eleven members who joined the X1 debuted with the song “Flash” from the mini-album Quantum Leap and released their music video. However, as the case of manipulation progressed, many requested X1 to be dissolved.

“We are investigating the fourth season (Produce X 101) of the Produce 101 series, we are also looking for whether there have been similar violations in the previous three seasons,” police said quoted from Soompi, Monday (11/02/2019). The first season began with the name Produce 101, Produce 101 season 2, and the third Produce 48. Report from SpoTV News, the police have also visited and investigated several agencies whose trainees have participated in Produce 48. From the Produce 48 audition, the girl group IZ*ONE was born that has 12 members and debuted on October 29th, 2018, with the song “La Vie en Rose.”

The police are suspicious of the producers, one of whom is PD Ahn Joon-young. “We have checked the bank accounts of the producers. There are still interests to be sought so we cannot confirm whether or not there is a money transaction,” the police said. On November 5th, 2019, the Seoul Central District Court examined whether the arrest warrant was made valid. In the afternoon, Chief Judge Myung Jae-kwon made a final decision that the arrest warrant for Ahn Joon-young was considered legal and an arrest was made. Ahn Joon-young then confessed to voting manipulation. Another producer Kim Yong-bum was also arrested by the police.

The Impact of Voting Manipulation Controversy On X1

  • X1 lost the CF contract, magazine shoots, and shooting variety shows
  • News circulated that said that X1 had not officially signed a contract with CJ E&M
  • Another news says X1 members have not been paid at all even though it has been three months since they debuted
  • The mentality of the members of X1 was also affected by this problem until a group dissolution plan emerged


Title Year Album
“Like Always” (웃을 때 제일 예뻐) 2019 Emergency: Quantum Leap
“U Got It” (X1 version)
“I’m Here for You” (괜찮아요)
“Move” (움직여) (X1 version)
“Stand Up” (intro)



Year Network Program
2019 Mnet Produce X 101
X1 Flash

Music videos

Title Year Director(s)
“Flash” 2019 Rigend Film