ONF (ON/OFF) Member Complete Profile, Facts, and TMI

ONF (온앤오프) is a Korean-Japanese boy group comprises of six members under WM Entertainment. The group has 2 units: ON Team with members Hyojin, E-Tion, MK and OFF Team with members J-Us, Wyatt, U. The group debuted on August 3rd, 2017, with a mini-album titled ‘ON/OFF’. ONF originally debuted with 7 members before the departure of Laun in 2019 because of personal reasons. The group name ONF (read: ON and OFF) represents their goal to show different charms in an instant, just like an ON/OFF switch.

Fandom Name: FUSE
Official Color: N/A
Agency: WM Entertainment
Official Twitter:‬ https://twitter.com/wm_on7off
Official Japan Twitter: https://twitter.com/ONFofficial_JP
Official Member Twitter: https://twitter.com/wm_onoff
Instagram: https://www.instagram.com/WM_ONOFF/
Facebook: https://www.facebook.com/wm.onoff
VLive: https://www.vlive.tv/channel/E812E3
Youtube: https://www.youtube.com/channel/UCgdj5bL5_Il2tqsQ7J4k6zw
TikTok: https://www.tiktok.com/@official.onf?lang=en
Fancafe: https://cafe.daum.net/-onoff
Weibo: N/A
Soundcloud: N/A
Debut Date: 2017.08.03

Hyojin

Hyojin Profile

Birth Name: 김효진 (Kim Hyojin)
Stage Name: Hyojin
Nationality: South Korean
Date of Birth: 1994.04.22
Zodiac Sign: Taurus
Chinese Zodiac: Dog
Height: 172.8 cm (5’6”)
Weight: 54 kg (119 lbs)
Blood Type: O
Personal Social Media: N/A

Hyojin Facts & TMI

Hyojin was born and grew up in Seoul.
His family consists of mother, father, and an older sister (born 1992).
He is a Christian.
Hyojin is ON Team’s Leader, main vocalist, and eldest member of the group.
His ONF signature serial number is HJ-422-94.
His birth name 김효진 (Kim Hyojin) has the meaning of “a dawn treasure”.

Other facts about Hyojin

E-Tion

E-Tion Profile

Birth Name: 이창윤 (Lee Changyun)
Stage Name: E-Tion
Nationality: South Korean
Date of Birth: 1994.12.24
Zodiac Sign: Capricorn
Chinese Zodiac: Dog
Height: 173 cm (5’6”)
Weight: 57 kg (125.6 lbs)
Blood Type: B
Personal Social Media: N/A

E-Tion Facts & TMI

E-Tion was born and grew up in Jeonju, Jeollabuk-do.
His family consists of mother, father, and an older sister (born 1991).
He belongs to Jeonju Lee’s clan.
He has direct ancestry to a king from Goguryeo Dynasty, Anwon of Goguryeo.
E-Tion is the 40th generation of King Anwon of Goguryeo.
E-Tion is a member of the ON Team as well as the group’s lead vocalist.

Other facts about E-Tion

J-Us

J-Us Profile

Birth Name: 이승준 (Lee Seungjun)
Stage Name: J-Us
Nationality: South Korean
Date of Birth: 1995.01.13
Zodiac Sign: Capricorn
Chinese Zodiac: Dog
Height: 174 cm (5’7”)
Weight: 57 kg (116.8 lbs)
Blood Type: AB
Personal Social Media: N/A

J-Us Facts & TMI

J-Us was born and grew up in Seoul.
His family consists of mother, father, and two older sisters (born 1989 and 1993).
He is a Catholic, his baptismal name is Paul Chong Hasang.
His family is raising a puppy called Velle.
J-Us is the leader of the OFF Team, sub vocalist, sub rapper, and lead dancer.
His ONF signature serial number is SJ-777-77.

Other facts about J-Us

Wyatt

Wyatt Profile

Birth Name: 심재영 (Shim Jaeyoung)
Stage Name: Wyatt
Nationality: South Korean
Date of Birth: 1995.01.23
Zodiac Sign: Aquarius
Chinese Zodiac: Dog
Height: 175 cm (5’7”)
Weight: 66 kg (145.5 lbs)
Blood Type: O
Personal Social Media: N/A

Wyatt Facts & TMI

Wyatt was born and grew up in Seoul.
His family consists of mother, father, and an older brother (born 1990).
Wyatt is the main rapper and lead dancer of the OFF Team.
His ONF signature serial number is DE-083-17.
He introduced himself with the catchphrase “Brave Man, Wyatt”.
His stage name “Wyatt” means “brave” in old English, hinting at the catchphrase “Brave man” that he uses when introducing himself.

Other facts about Wyatt

MK

MK Profile

Birth Name: 박민균 (Park Minkyun)
Stage Name: MK
Nationality: South Korean
Date of Birth: 1995.11.16
Zodiac Sign: Scorpio
Chinese Zodiac: Pig
Height: 180 cm (5’9”)
Weight: 66 kg (145.5 lbs)
Blood Type: AB
Personal Social Media: Soundcloud

MK Facts & TMI

MK was born and grew up in Goyang City, Gyeonggi-do.
His family consists of mother, father (born 1965), and an older sister (born 1993).
He is a Christian.
He has 3 pets: a puppy called Somang and two cats Kippeum & Sham.
He is the lead vocalist and sub rapper of the ON Team.
His ONF signature serial number is ST-010-16.

Other facts about MK

U

U Profile

Birth Name: 水口裕斗 (Mizuguchi Yuto)
Stage Name: U
Nationality: Japanese
Date of Birth: 1999.03.16
Zodiac Sign: Pisces
Chinese Zodiac: Rabbit
Height: 170 cm (5’5”)
Weight: 53 kg (116.8 lbs)
Blood Type: AB
Personal Social Media: N/A

U Facts & TMI

U was born in Osaka, Japan.
His family consists of mother, father, an older brother (born 1997), and a younger brother.
His ONF signature serial number is YO-425-83.
He introduced himself with the catchphrase “Unique boy, U”.
U is the sub vocalist and main dancer of the OFF Team.
He is the only foreign member of the group.

Other facts about U

Laun (EX-MEMBER)

Laun (EX-MEMBER) Profile

Birth Name: 김민석 (Kim Minseok)
Stage Name: Laun
Nationality: South Korean
Date of Birth: 1999.08.12
Zodiac Sign: Leo
Chinese Zodiac: Rabbit
Height: N/A
Weight: N/A
Blood Type: AB
Personal Social Media: Instagram

Laun (EX-MEMBER) Facts & TMI

Laun was born in Seosan, Chungcheongnam-do.
He is an only child.
He was the main dancer and sub vocalist of ONF.
Currently, he doesn’t have an agency.
He graduated from the School of Performing Arts Seoul (SOPA) and majored in Practical Dance.
He also joined ‘MixNine’ where he advanced to the final line-up.

Other facts about Laun (EX-MEMBER)

Who’s your favorite ONF member? Write in the comment section below!