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ONF Members Profile

ONF Members Profile: ONF Facts and Ideal Types
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ONF
(온앤 오프), short for ‘On N Off’, is currently a 6-member South Korean boy group under WM Entertainment. The group consists of Hyojin, J-US, E-Tion, Wyatt, MK, and ULaun left the group in late August 2019. ONF has 2 leaders and is divided into 2 sub-units: ON Team and OFF Team. ONF debuted on August 3rd, 2017.

ONF Fandom Name: Fuse
ONF Official Colors:

ONF Official Sites:
Official Website: on7off.com
Official Website (Japan): onf-official.jp
Facebook: wm.onoff
Twitter: @WM_ONOFF / @wm_on7off
Twitter (Japan): @ONFofficial_JP
Instagram: wm_onoff
YouTube: 온앤오프 OFFICIAL
Fan Cafe: -onoff
V Live: 온앤오프 (ONF)
TikTok: @official.onf

ONF Members Profile:
Hyojin
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Stage Name:
Hyojin (효진)
Birth Name: Kim Hyo Jin (김효진)
Position: ON Team Leader, Main Vocalist
Birthday: April 22, 1994
Zodiac Sign: Taurus
Height: 172.8 cm (5’8″)
Weight: 57 kg (126 lbs)
Blood Type: O
Sub-Unit: ON Team

Hyojin Facts:
– He was born in Seoul, South Korea.
– His nickname is “Deer”.
– His English name is Brandon (Hyojin confirmed it multiple times during fansigns and vlives).
– His hobbies include listening to music, singing, and collecting shoes.
– He was featured as a dancer in the Korean web drama “Loss:Time:Life” with E-Tion, J-US, and Wyatt.
– He was a trainee for 5 years.
– His MBTI type is ESFJ.
– Hyojin has won prizes in singing competitions when he was in school.
– He can also mimic the sound of echoing in a singing room.
– Hyojin collects Jordan shoes.
– He’s experienced with camerawork and films most of ONF’s On Film dance videos.
– He, along with the rest of ONF members were contestants on MIXNINE.
– Hyojin and J-US have been friends for over 10 years now. (MIXNINE)
– He has a habit of biting his knuckles when he’s stressed.
– He was the male center for MIXNINE’s Just Dance performance.
– He placed 2nd on MixNine (Was supposed to debut but the debut has been canceled)
Hyojin’s ideal type: someone who likes everything about him and who is very understanding.
Show more Hyojin fun facts…

E-Tion
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Stage Name:
E-Tion (이션)
Birth Name: Lee Chang Yoon (이창윤)
Position: Lead Vocalist
Birthday: December 24, 1994
Zodiac Sign: Capricorn
Height: 173 cm (5’8″)
Weight: 57 kg (126 lbs)
Blood Type: B
Sub-Unit: ON Team

E-Tion Facts:
– He was born in Jeonju, South Korea.
– He can speak Japanese and Chinese.
– His English name is Tommy (E-Tion confirmed it during vlive on March 27, 2021).
– One of his hobbies is to watch movies.
– He likes clothes and shoes.
– He dislikes spicy food.
– He made a cameo in labelmate B1A4‘s VCR “Feeling” with Wyatt.
– He was featured as a dancer in the Korean web drama “Loss:Time:Life” with Hyojin, J-US, and Wyatt.
– He was a trainee for 3 years.
– His MBTI type is INFP.
– E-TION likes to do fashion designing as a hobby and wants to make uniforms for ONF.
– He came up with Laun’s stage name.
– He likes fashion and he designed their official t-shirts.
– He, along with the rest of ONF members are contestants on MIXNINE.
– E-Tion was eliminated from Mixnine. (He ended on 29th)
E-Tion’s ideal type: A person who does their very best.
Show more E-Tion fun facts…

J-Us
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Stage Name: J-Us (제이어스)
Birth Name:
Lee Seung Jun (이승준)
Position:
OFF Team Leader, Lead Dancer, Vocalist, Rapper
Birthday:
January 13, 1995
Zodiac Sign:
 Capricorn
Height:
174 cm (5’8.5″)
Weight:
57 kg (126 lbs)
Blood Type:
AB
Sub-Unit:
OFF Team

J-US Facts:
– He was born in Seoul, South Korea.
– His nicknames are “Spark Leader” and “Maltese”.
– His English name is Chris (J-US confirmed it multiple times during fansigns and vlives).
– One of his hobbies is to watch dramas.
– He made a cameo in labelmate B1A4’s mini drama VCR “The Class” with Wyatt and Laun.
– He was featured as a dancer in the Korean web drama “Loss:Time:Life” with Hyojin, E-Tion, and Wyatt.
– He was a trainee for 5 years.
– His MBTI type is ENFP.
– J-US was the vice president of the student committee all throughout high school.
– He used to want to be a table tennis player when he was younger.
– J-US talks in his sleep.
– He has helped choreograph ONF’s songs such as Twinkle Twinkle and most of their Road To Kingdom performances.
– He, along with the rest of ONF members were contestants on MIXNINE. (He was eliminated in the last ep.)
– J-US and Hyojin have been friends for over 10 years now. (MIXNINE)
Show more J-US fun facts…

Wyatt
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Stage Name: Wyatt (와이엇)
Birth Name: Shim Jae Young (심재영)
Position: Main Rapper, Lead Dancer, Vocalist
Birthday: January 23, 1995
Zodiac Sign: Aquarius
Height: 175 cm (5’9″)
Weight: 66 kg (145 lbs)
Blood Type: O
Sub-Unit: OFF Team

Wyatt Facts:
– He was born in Seoul, South Korea.
– Jaeyoung lived for a while in Kazakhstan.
– His English name is Jay (Wyatt confirmed it multiple times during fansigns and vlives).
– He can speak English.
– His nicknames are “Princess” and “Monkey”.
– His hobbies include watching movies and reading books.
– His specialty is krumping (a type of dance).
– He likes hamburgers.
– His dislikes bugs.
– Wyatt collects shoes and figures.
– Wyatt is scared of amusement park rides.
– He made a cameo in labelmate B1A4’s mini drama VCR “The Class” with J-US and Laun.
– He made a cameo in labelmate B1A4’s VCR “Feeling” with E-Tion.
– He was featured as a dancer in the Korean web drama “Loss:Time:Life” with Hyojin, E-Tion, and J-US.
– He was a trainee for 7 years.
– His MBTI type is ENFP.
– Wyatt only has one eye with a double eyelid.
– Wyatt said that his stage name means “Brave”, so that’s why he picked it, he said he sometimes introduces himself as a brave man.
– He’s a fan of Kim Kwang-Seok. (“Pops in Seoul”)
– He is close to Verivery’s Dongheon. (“Road To Kingdom” and vLive)
– Wyatt has helped write lyrics for many of their songs such as Why, All Day, Yayaya, Happily Never After, Incomplete, and Cat’s Waltz.
– He, along with the rest of ONF members were contestants on MIXNINE. (He was eliminated in the last ep.)
Wyatt’s ideal type: If he likes a person, that person is his ideal type.
Show more Wyatt fun facts…

MK
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Stage Name: MK (엠케이)
Birth Name: Park Min Kyun (박민균)
Position: Lead Vocalist, Sub Rapper
Birthday: November 16, 1995
Zodiac Sign: Scorpio
Height: 178 cm (5’10″)
Weight: 66 kg (145 lbs)
Blood Type: AB
Sub-Unit: ON Team

MK Facts:
– He was born in Anyang, South Korea.
– His nickname is “Kkyuni”.
– His English name is Tony (MK confirmed it during a fansign in August 16, 2020).
– One of his hobbies is playing the guitar.
– He was a former Starship trainee.
– He was a participant on No.Mercy (reality show that created MONSTA X).
– He was a trainee for 7 years.
– His MBTI type is ENFP (formerly ESFP).
– MK can mimic the sound of an elephant.
– MK came up with his stage name which means “Min Karat”.
– The members say he looks like a cat. (Pops in Seoul)
– MK has helped compose some of ONF’s songs such as Why, Asteroid, and New World.
– He has also helped write lyrics for their songs Yayaya and Happily Never After.
– He, along with the rest of ONF members were contestants on MIXNINE.
– Minkyun was eliminated on the ep. 13 of Mixnine, ending up 22nd place.
MK’s ideal type: Someone who has a pretty smile.
Show more MK fun facts…

U
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Stage Name: U (유)
Birth Name: Mizuguchi Yuto (みずぐちゆと)
Position: Main Dancer, Lead Rapper, Sub Vocalist, Maknae
Birthday: March 16, 1999
Zodiac Sign: Pisces
Height: 170 cm (5’7″)
Weight: 53 kg (117 lbs)
Blood Type: AB
Sub-Unit: OFF Team

U Facts:
– He was born in Osaka, Japan.
– He has 2 brothers and a sister.
– Yuto hasn’t taken on a traditional English name and prefers to use Yuto Mizuguchi (vlive Feb 7, 2021).
– He can speak Japanese and Korean.
– His hobbies include riding bicycles and listening to music.
– His specialty is dance.
– He was in a dance crew in Japan when he was a kid.
– He likes bread and spicy food.
– He dislikes bugs.
– He likes kimbap.
– He is really shy and because of his lack of confidence, he often thinks that he is awkward.
– U said that out of the members he is the closest with Jaeyoung. (VLIVE)
– U is friends with Pentagon‘s Yuto (both are from Japan and trained with JYP).
– U is also friends with TWICE’s Sana (both are from Osaka and trained together in JYP)
– The members nicknamed U “Kim Yuto” because he’s so good at Korean, and he also has the best handwriting out of the members.
– He was a former JYP trainee.
– He used to work as a part-timer at a Korean pork belly restaurant and learned Korean while earning money.
– U has helped choreograph ONF’s songs such as Why and New World, and choreographed the main dance sections in their Road To Kingdom performances.
– He has a commentary series where he explains the messages, work process and ideas behind the choreography of their performances.
– He was a trainee for 1 year.
– His MBTI type is ISFJ.
– He, along with the rest of ONF members were contestants on MIXNINE.
– Yuto was eliminated on the ep. 13 of Mixnine, ending up 23rd place.
U’s ideal type: If he likes a person, that person is his ideal type.
Show more U fun facts…

Former Member:
Laun
Laun
Stage Name: Laun (라운)
Birth Name: Kim Min Seok (김민석)
Position: Main Dancer, Sub Vocalist, Maknae
Birthday: August 12, 1999
Zodiac Sign: Leo
Blood Type: AB
Sub-Unit: ON + OFF Team
Instagram: mni_msg_0812

Laun Facts:
– He was born in Chungcheongnam-do, South Korea.
– His nickname is “Smiling Angel”.
– Laun is a senior student at SOPA (School of Performing Arts Seoul).
– He is in the same class with Oh My Girl’s Arin and Wanna One’s Jihoon.
– His hobbies include collecting pens and watching movies.
– He was a former BigHit trainee and trained with BTS at the age of 14.
– He made a cameo in labelmate B1A4’s mini drama VCR “The Class” with J-US and Wyatt.
– He was a trainee for 4 years.
– His MBTI type is ISFJ.
– He has a really bad eyesight so he has to wear contacts.
– Laun collects books and pens.
– He really wanted to get close to Yuto and he always asks him if they are best friends, he even tested him with lie detector.
– Laun has won the top prize at a kendo competition. (Pops in Seoul)
– His fans have nicknamed him “milk boy” because he likes milk and seems soft.
– He says he can’t drink coffee yet and eats ice cream to stay awake (On The Run Ep.07)
– Laun is friends with Wanna One’s Park Jihoon.
– He, along with the rest of ONF members are contestants on MIXNINE.
– He placed 7th on MIXNINE. (Was supposed to debut but the debut has been canceled)
– Laun official left the group and terminated his contract with WM for “personal reasons” on August 23, 2019.
– He made his first appearance since he left when he opened his personal Instagram on December 25, 2020.
Laun’s ideal type: Someone who leaves a strong impression.

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Who is your ONF bias? Do you know more facts about them? Feel free to comment below. 🙂