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U-Know / Yunho (TVXQ!) Profile, Bio, & Facts

U-Know / Yunho
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U-Know / Yunho  (유노윤호) is a South Korean singer under SM Entertainment. He is a member of the duo TVXQ! (DBSK). He made his solo debut on July 8, 2015, with the Japanese mini album ‘U Know Y’.

U-Know / Yunho (TVXQ!) Profile

Stage NameU-Know
Birth NameJung Yunho (정윤호)
BirthdayFebruary 6, 1986
Active Years2003–present
Age38 (in 2024)
Zodiac SignAquarius
Height184 cm (6’0″)
Weight66 kg (145 lbs)
Blood TypeA

U-Know / Yunho (TVXQ!) Facts:

Early Life

– U-Know was born in Wolgye-dong, Gwangsan-gu, Gwangju, South Korea.
– He went to Misan Elementary School and Wolgye Middle School.
– He graduated from Gwangil High School.
– In middle school, he and along with his friends formed the dance team A+ and participated in dance competitions.

Personal Life

– He has a younger sister named Jung Ji Hye.
– He has a dog named Taepung.
– U-Know graduated with a bachelor’s degree from Myongji University and got his master’s from Cheongwoon University Graduate School of Industrial Technology and Management.
– His parents were against his dream of becoming a singer.
– He used to collect coins in his piggy bank in school. (I Live Alone EP259)
– He worked multiple jobs to support himself during his trainee period including working as a snow removal worker in the morning and working as a waiter in the night.
– Most of his family works in the legal industry.
–  The numbers on his Instagram handle ‘2154’ forms a word chain in Korean and ‘2’ means ‘from now on’, ‘1’ means ‘with whole-hearted devotion’, ‘5’ means ‘for a long time’, and ‘4’ means ‘love each other’. (iHeartRadio)
– He lives with the words ‘It can’t last forever. But I can keep forever’. (GQ Magazine 2020)
– He exercises four times a week or more.
– His first date was in his freshman year of high school where he went in disguise and gave her a single rose as a gift. His friends helping him also gave her a rose each, then he revealed himself and took her on a sightseeing boat he paid for by saving money from a part-time job. (CREA Jan 2018)
– He is close with Super Junior’s Heechul and Donghae.
– He has a Bambi doll that he calls his daughter.
– He liked women who were much more strong-minded than himself but now he likes someone who shares the same values as him. (CREA Jan 2018)
– He has four piercings.
– He always wears a gold bracelet he customized for himself which includes his blood type, the initials ‘UK’, and birthdate. (GQ KOREA)
– The first food he ate after getting discharged from the military was a large bowl of black bean noodles. (iHeartRadio)
– He was inspired by Michael Jackson as a 17-year-old boy. 
– He said Changmin was the most disciplined as a trainee and he felt inferior to his princely image. (Open Interview EP 12)
– His hobbies include music, reading, playing sports, and composing music.
– He has a lot of his pictures in his home. (1stLook Dae-Det)
– His routine includes working out on an empty stomach and he starts eating after 1 PM. He eats whatever he wants after working out. (GQ Magazine 2020)
– He often hears from people that if he weren’t a singer, he would be a youth activist.
– U-Know’s ideal type is someone sunny and considerate, a person he can lean on during tough times. Appearance-wise, Jun Ji Hyun has always been his ideal choice.

– He likes simple and stylish clothes on girls like coats and pants and spicing up the look with colors. 
– He is very close with his sister and his brother-in-law was his friend’s friend. He asked his friend to do a complete background check on him.  (I Live Alone EP#259)
– If he wasn’t a celebrity, he wanted to be a prosecuto
– His essential items include his backpack, sneakers, black t-shirt, vitamins, sketchbook, books, glasses, cat, AirPods, gold bracelet, and film camera. (GQ KOREA)
– He would like to take his date to a pet shop as he wants to see her true self when she plays with the animals. (CREA Jan 2018)


– U-Know is the leader, main rapper, main dancer, vocalist, and center in TVXQ!.
– He debuted as a member of TVXQ in 2023, along with Changmin, Yoochun, Junsu and Jaejoong.
– He became a trainee at SM Entertainment in 2001 after winning a prize 1st Annual SM Best Competition in 1999.
– He worked as a backup dancer for Shinwa.
– As trainees, he along with Jaejoong, Heechul (Super Junior) and Kangin were included as a part of the project boy group ‘Four Seasons’ but the idea was dropped when they debuted in TVXQ.
– He enlisted on July 21, 2015, and was discharged from the military on April 20, 2017.
– He has appeared in many dramas including ‘King of Ambition’, ‘Diary of a Night Watchman’ and ‘ I Order You’.

Likes & Dislikes

– He has loved to play volleyball since he was young.
– He loves to eat sweet sauce fried chicken with fried rice.
– His favorite color is green.
– He loves eating homemade kimchi stew made by his parents.
– His favorite subjects in school were Korean and P.E. (I Live Alone EP259)
– He also likes orange color.
– He likes to take pictures with the left side of his face.  iHeartRadio)
– He enjoys reading self-development books.
– His favorite quote is ‘Your belief becomes your thought, your thought becomes your word, your word becomes your behavior which becomes your habit and then it becomes your value which in turn becomes your fate’. (TMI GQ Korea)


– He is nicknamed ‘Passion Mansour’ because he is passionate about anything he does. 
– Fans nicknamed him “Emperor of Stage’.
– He has used the nickname ‘U-Know’ since high school.


– He has the fastest reflexes among the members.
– He is fluent in both Korean and Japanese.
– He is bad at drawing but loves to draw in his sketchbook.
– He can turn his little pinky finger all the way around.
– U-Know is trained in martial arts, holding a black belt in both Taekwondo and Hapkido (3rd dan). In Hapkido, he even competed nationally and won a gold medal.

Personality & Habits

– He has a competitive personality and doesn’t like to lose.
– He said two words that represent him the most are ‘passion’ and ‘performer’.
– His friends would describe him with the keywords ‘Philosopher’, ‘grandfather’, and ‘baby’. (IHeartRadio)
– He is very passionate about his work but he is very calm and peaceful in his everyday life.
– He has the habit of using different pairs of shoes for working out and dance practice. (GQ KOREA)
– He feels the happiest when someone says he is a ‘good person’ or a ‘warm person’ over that he is a ‘’great artist’. (1st Look)

Anti-Fan Incident

– While filming a variety show on October 14, 2006, U-Know was rushed to the hospital after drinking an orange juice laced with super glue, given to him by an anti-fan.
– The anti-fan, Ko, was a member of his anti-fan club for more than two years.
– He decided not to press charges as she was the same age as his younger sister.
– He later revealed that he was not able to drink orange juice for years and even the sight of the beverage traumatized him.
– He overcame his fear by buying 10 cans of orange juice (from the same brand), placing them in front of him, and drinking them one by one.

Major Works

– His popular songs include ‘The Cure’, ‘Thank U’, ‘Eeny Meeny’ and ‘Follow’.


– He won the ‘Korean Ken Award’ at the Barbie & Ken Awards in 2012 and the ‘Most Popular Actor – South Korea award at the Seoul International Drama Awards in 2013.

Instagram: yunho2154

Streaming Platform Links
Genie | Spotify | Bugs | Melon | Apple Music | Deezer

U-Know / Yunho Photos

Note: How did you get to know U-Know / Yunho? Mention your story in the comments section and also share more facts with us if you know!

‘Vuja De’ – Official MV:

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Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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