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Yun Ho Jung

U-Know

  • Name: U-Know
  • Native name: 유노윤호
  • Given name: Jung Yun Ho
  • Also Known as: Uknow, Jung Yunho, Jeong Yun Ho, 정윤호, ユンホ, 瑜鹵允浩
  • Nationality: South Korean
  • Gender: Male
  • Born: February 6, 1986
  • Age: 40
Jung Yun Ho, also known professionally as U-Know Yun Ho or simply as U-Know, is a South Korean singer-songwriter, dancer, actor, and member of TVXQ (동방신기). He graduated from Gwangil High School and later obtained a bachelor's degree in Musical Performance from Myongji University and a master's degree in Applied Music from Cheongwoon University.

He was recruited in 2000 after he passed an audition at SM Entertainment (SM엔터테인먼트) in Seoul. He was placed in 4 project groups that ended up being cancelled, including one called FOUR SEASONS (alongside future SUPER JUNIOR members Kang In and Kim Hee Chul and his own future group mate Kim Jae Joong).

He made his debut in December 2003 as TVXQ's leader, main rapper, main dancer, vocalist and center with their first single, "Hug". The 5-member group was immediately launched into mainstream recognition, and their first 4 albums received chart-topping commercial success in South Korea, with "Mirotic" winning the Golden Disk Award for Album of the Year. They became one of the first K-pop groups to establish a solid fanbase in Japan and were signed by Avex Group (エイベックス・グループ) to represent them in the country.

In October 2006, he was rushed to the hospital after drinking a beverage laced with superglue given by an anti-fan. The person turned herself in the next day, but he contacted the police and requested that they not press charges against the anti-fan despite the potentially fatal consequences of her actions.

But, despite TVXQ's huge success, they fell into legal turmoil and internal conflict when members Kim Jae Joong, Park Yoo Chun, and Kim Jun Su attempted to split from SM in late 2009. He decided to stay loyal to the agency, and the group stopped promoting together. In the meantime, he suffered from depression as he was blamed by the fans for not doing enough as the leader to keep all 5 members together.

TVXQ returned with him and Shim Chang Min only in 2011 with the fifth album, "Keep Your Head Down", which continued their legacy as one of Asia's top-sellers.

He enlisted for his mandatory military service on July 21, 2015, and was discharged on April 20, 2017.

After serving, he has been active as an actor, he made his debut as a solo artist in June 2019 with the mini-album, "True Colors", and continues to actively promote as part of TVXQ.

(Source: kisskh) Edit Biography
Drama
Year Title # Role Rating
2025
Low Life
Low Life
Korean Drama, 2025, 11 eps
Jang Beol Gu [Mokpo gangster] (Support Role)
11
Jang Beol Gu [Mokpo gangster]
Support Role
7.4
2023
Race
Race
Korean Drama, 2023, 12 eps
Seo Dong Hun (Main Role)
12
Main Role
7.2
2017
Meloholic
Meloholic
Korean Drama, 2017, 10 eps
Yoo Eun Ho (Main Role)
10
Main Role
7.3
2017
Couple on the Backtrack
Couple on the Backtrack
Korean Drama, 2017, 12 eps
[Salesman] (Ep. 2) (Guest Role)
12
[Salesman] (Ep. 2)
Guest Role
8.5
2015
I Order You
I Order You
Korean Drama, 2015, 16 eps
Yeo Gook Dae (Main Role)
16
Main Role
7.2
2014
Diary of a Night Watchman
Diary of a Night Watchman
Korean Drama, 2014, 24 eps
Moo Seok (Main Role)
24
Main Role
7.2
2013
Queen of Ambition
Queen of Ambition
Korean Drama, 2013, 24 eps
Baek Do Hoon (Main Role)
24
Main Role
7.6
2013
Saki
Saki
Japanese Drama, 2013, 11 eps
[Cafe customer #1] (Ep.11) (Guest Role)
11
[Cafe customer #1] (Ep.11)
Guest Role
7.5
2011
I Live in Cheongdam-dong
I Live in Cheongdam-dong
Korean Drama, 2011, 170 eps
[Himself] (Guest Role)
170
[Himself]
Guest Role
7.4
2011
Poseidon
Poseidon
Korean Drama, 2011, 16 eps
Kang Eun Cheol (Guest Role)
16
Kang Eun Cheol
Guest Role
6.8
2009
No Limit
No Limit
Korean Drama, 2009, 16 eps
Cha Bong Gun (Main Role)
16
Main Role
6.4
2006
Vacation
Vacation
Korean Drama, 2006, 4 eps
Himself (Main Role)
4
Himself
Main Role
7.2
2005
Nonstop Season 6
Nonstop Season 6
Korean Drama, 2005, 243 eps
[Himself] (Guest Role)
243
[Himself]
Guest Role
6.9
Movie
Year Title Role Rating
2026
Tokyo Burst: Hanzai Toshi
Tokyo Burst: Hanzai Toshi
Japanese Movie, 2026,
Choi Si U (Main Role)
Choi Si U
Main Role
0.0
2015
SMTOWN The Stage
SMTOWN The Stage
Korean Movie, 2015,
[Himself] (Main Role)
[Himself]
Main Role
7.9
2014
Ode to My Father
Ode to My Father
Korean Movie, 2014,
Nam Jin (Trot Singer) (Bit part)
Nam Jin (Trot Singer)
Bit part
8.7
2014
Make Your Move
Make Your Move
Korean Movie, 2014,
Himself [Dancer] (Guest Role)
Himself [Dancer]
Guest Role
7.0
2012
I AM.
I AM.
Korean Movie, 2012,
[Himself] (Main Role)
[Himself]
Main Role
7.8
2010
Dating on Earth
Dating on Earth
Korean Movie, 2010,
U-Know [Class representative] (Support Role)
U-Know [Class representative]
Support Role
7.0
2009
All About Dong Bang Shin Ki Season 3
All About Dong Bang Shin Ki Season 3
Korean Movie, 2009,
(Main Role)
Main Role
8.3
2007
All About Dong Bang Shin Ki Season 2
All About Dong Bang Shin Ki Season 2
Korean Movie, 2007,
(Main Role)
Main Role
8.2
2006
All About Dong Bang Shin Ki Season 1
All About Dong Bang Shin Ki Season 1
Korean Movie, 2006,
(Main Role)
Main Role
8.3
Special
Year Title # Role Rating
2018
Tensai Bakabon 3
Tensai Bakabon 3
Japanese Special, 2018, 1 eps
[Mei's Kouhai] (Guest Role)
1
[Mei's Kouhai]
Guest Role
5.6
2010
Haru
Haru
Korean Special, 2010, 1 eps
[Action Star] (Main Role)
1
[Action Star]
Main Role
6.8
2006
Dangerous Love
Dangerous Love
Korean Special, 2006, 1 eps
Himself (Main Role)
1
Himself
Main Role
7.8
2006
Unforgettable Love
Unforgettable Love
Korean Special, 2006, 1 eps
[Himself] (Main Role)
1
[Himself]
Main Role
7.5
2006
Finding Lost Time
Finding Lost Time
Korean Special, 2006, 1 eps
Himself (Support Role)
1
Himself
Support Role
7.3
2006
The Uninvited Guest
The Uninvited Guest
Korean Special, 2006, 1 eps
Himself (Main Role)
1
Himself
Main Role
7.3
2006
Tokyo Holiday
Tokyo Holiday
Korean Special, 2006, 1 eps
Himself (Main Role)
1
Himself
Main Role
7.2
2006
The King's Man
The King's Man
Korean Special, 2006, 1 eps
Himself / Jang Saeng (Main Role)
1
Main Role
7.7
2005
The Masked Fencer
The Masked Fencer
Korean Special, 2005, 1 eps
Himself (Main Role)
1
Himself
Main Role
7.2
2005
First Love
First Love
Korean Special, 2005, 2 eps
Himself (Main Role)
2
Himself
Main Role
7.3
TV Show
Year Title # Role Rating
2026
Star
Star
Japanese TV Show, 2026, 10 eps
(Ep. 1) (Guest)
10
(Ep. 1)
Guest
0.0
2025
Change Street
Change Street
Korean TV Show, 2025, 10 eps
[MC] (Main Host)
10
[MC]
Main Host
0.0
2025
Jun Hyun Moo's Plan Season 3
Jun Hyun Moo's Plan Season 3
Korean TV Show, 2025, 40 eps
(Ep. 4) (Guest)
40
(Ep. 4)
Guest
0.0
2025
My Grumpy Secretary
My Grumpy Secretary
Korean TV Show, 2025, 16 eps
(Ep. 6) | [Special appearance] (Ep. 14) (Guest)
16
(Ep. 6) | [Special appearance] (Ep. 14)
Guest
7.9
2025
The Seasons Season 8: 10CM's Pat-Pat
The Seasons Season 8: 10CM's Pat-Pat
Korean TV Show, 2025, 25 eps
(Ep. 10) (Guest)
25
(Ep. 10)
Guest
0.0
2025
B:My Boyz
B:My Boyz
Korean TV Show, 2025, 11 eps
[Special judge] (Ep. 8-) (Guest)
11
[Special judge] (Ep. 8-)
Guest
7.4
2024
With Music
With Music
Japanese TV Show, 2024, 25 eps
(Ep. 22) (Guest)
25
(Ep. 22)
Guest
0.0
2023
2023 SBS Gayo Daejeon: Switch On
2023 SBS Gayo Daejeon: Switch On
Korean TV Show, 2023, 1 eps
[Performer] (Regular Member)
1
[Performer]
Regular Member
8.0
2023
The Weekly 99 Music
The Weekly 99 Music
Japanese TV Show, 2023, 110 eps
(Ep. 33, 49, 65, 71, 82) | [Location Shoot] (Ep. 44) (Guest)
110
(Ep. 33, 49, 65, 71, 82) | [Location Shoot] (Ep. 44)
Guest
0.0
2023
Season B Season 4
Season B Season 4
Korean TV Show, 2023, 56 eps
(Ep. 13) (Guest)
56
(Ep. 13)
Guest
0.0
2021
Book This Out
Book This Out
Korean TV Show, 2021, 1 eps
(Main Host)
1
Main Host
0.0
2021
Hello, You
Hello, You
Korean TV Show, 2021, 63 eps
(Ep. 57) (Guest)
63
(Ep. 57)
Guest
8.6
2021
Kingdom: Legendary War
Kingdom: Legendary War
Korean TV Show, 2021, 10 eps
(Ep. 1-3) (Main Host)
10
(Ep. 1-3)
Main Host
8.5
2021
K-Pop Evolution
K-Pop Evolution
Korean TV Show, 2021, 7 eps
(Ep. 3, 6) (Guest)
7
(Ep. 3, 6)
Guest
7.8
2021
SHINee Inc.
SHINee Inc.
Korean TV Show, 2021, 1 eps
(Ep.1) (Guest)
1
(Ep.1)
Guest
8.3
2021
The Stage of Legends - Archive K
The Stage of Legends - Archive K
Korean TV Show, 2021, 10 eps
(Ep. 10) (Guest)
10
(Ep. 10)
Guest
8.4
2020
About Time
About Time
Korean TV Show, 2020, 5 eps
(Ep.1) (Guest)
5
(Ep.1)
Guest
8.0
2020
2020 KBS Song Festival
2020 KBS Song Festival
Korean TV Show, 2020, 1 eps
(Main Host)
1
Main Host
7.9
2020
Nobody Talks to BoA
Nobody Talks to BoA
Korean TV Show, 2020, 8 eps
(Ep.1-2) (Guest)
8
(Ep.1-2)
Guest
8.1
2020
Killing Voice
Killing Voice
Korean TV Show, 2020, 160 eps
(Ep. 106) (Guest)
160
(Ep. 106)
Guest
8.5
2020
Invention King
Invention King
Korean TV Show, 2020, 12 eps
(Main Host)
12
Main Host
8.1
2020
Nego King
Nego King
Korean TV Show, 2020, 12 eps
(Ep. 10) (Guest)
12
(Ep. 10)
Guest
8.3
2020
Hometown Flex
Hometown Flex
Korean TV Show, 2020, 11 eps
(Ep. 3-4) (Guest)
11
(Ep. 3-4)
Guest
7.7
2019
2 Days & 1 Night Season 4
2 Days & 1 Night Season 4
Korean TV Show, 2019, 358 eps
(Ep. 322-323) (Guest)
358
(Ep. 322-323)
Guest
8.8
2019
Analog Trip
Analog Trip
Korean TV Show, 2019, 12 eps
(Main Host)
12
Main Host
8.2
2019
Hangout with Yoo
Hangout with Yoo
Korean TV Show, 2019, 350 eps
(Ep. 1-5, 8) (Guest)
350
(Ep. 1-5, 8)
Guest
8.1
2019
How Do You Play? Pilot
How Do You Play? Pilot
Korean TV Show, 2019, 1 eps
(Guest)
1
Guest
7.6
2019
Boss in the Mirror
Boss in the Mirror
Korean TV Show, 2019, 350 eps
(Ep. 1-2) (Guest)
350
(Ep. 1-2)
Guest
7.9
2019
Where Is My Home
Where Is My Home
Korean TV Show, 2019, 375 eps
(Ep. 92, 221) (Guest)
375
(Ep. 92, 221)
Guest
7.5
2019
Coffee Friends
Coffee Friends
Korean TV Show, 2019, 10 eps
(Ep. 4-5) (Guest)
10
(Ep. 4-5)
Guest
8.7
2018
2018 MBC Music Festival: The Live
2018 MBC Music Festival: The Live
Korean TV Show, 2018, 1 eps
[Performer] (Regular Member)
1
[Performer]
Regular Member
7.5
2018
I'll Win You Over With My Channel
I'll Win You Over With My Channel
Korean TV Show, 2018, 23 eps
(Ep. 13) (Guest)
23
(Ep. 13)
Guest
7.8
2018
Cool Kids
Cool Kids
Korean TV Show, 2018, 22 eps
(Ep. 22) (Guest)
22
(Ep. 22)
Guest
7.3
2018
UNDER19
UNDER19
Korean TV Show, 2018, 14 eps
[Special Director] (Ep. 1, 3) (Guest)
14
[Special Director] (Ep. 1, 3)
Guest
7.8
2018
Dunia: Into A New World
Dunia: Into A New World
Korean TV Show, 2018, 15 eps
(Regular Member)
15
Regular Member
7.3
2018
72 hours of TVXQ
72 hours of TVXQ
Korean TV Show, 2018, 30 eps
Himself (Regular Member)
30
Himself
Regular Member
8.3
2018
Amazing Saturday
Amazing Saturday
Korean TV Show, 2018, 450 eps
(Ep. 144, 264, 294, 376) (Guest)
450
(Ep. 144, 264, 294, 376)
Guest
8.2
2018
TVXQ D-Cumentary
TVXQ D-Cumentary
Korean TV Show, 2018, 3 eps
(Main Host)
3
Main Host
8.8
2018
Omniscient Interfering View
Omniscient Interfering View
Korean TV Show, 2018, 400 eps
(Ep. 142-143) (Guest)
400
(Ep. 142-143)
Guest
7.8
2018
MMTG
MMTG
Korean TV Show, 2018, 321 eps
(Ep. 166) (Guest)
321
(Ep. 166)
Guest
7.9
2018
I Can See Your Voice Season 5
I Can See Your Voice Season 5
Korean TV Show, 2018, 13 eps
(Ep. 9) (Guest)
13
(Ep. 9)
Guest
8.1
2017
Mr. House Husband Season 2
Mr. House Husband Season 2
Korean TV Show, 2017, 475 eps
(Ep. 307, 311, 417) (Guest)
475
(Ep. 307, 311, 417)
Guest
7.7
2016
Let's Eat Dinner Together
Let's Eat Dinner Together
Korean TV Show, 2016, 164 eps
(Ep. 53) (Guest)
164
(Ep. 53)
Guest
7.8
2016
My Little Old Boy
My Little Old Boy
Korean TV Show, 2016, 550 eps
(Ep. 197, 436) (Guest)
550
(Ep. 197, 436)
Guest
7.9
2016
Utacon
Utacon
Japanese TV Show, 2016, 330 eps
(Ep. 97, 140) (Guest)
330
(Ep. 97, 140)
Guest
6.0
2015
Knowing Bros
Knowing Bros
Korean TV Show, 2015, 600 eps
(Ep. 97, 264, 416) (Guest)
600
(Ep. 97, 264, 416)
Guest
8.6
2015
Love Music
Love Music
Japanese TV Show, 2015, 350 eps
(Guest)
350
Guest
7.9
2015
Buzz Rhythm
Buzz Rhythm
Japanese TV Show, 2015, 515 eps
(Ep. 488) (Guest)
515
(Ep. 488)
Guest
7.9
2014
The Ultimate Group
The Ultimate Group
Chinese TV Show, 2014, 7 eps
(Ep.3) (Guest)
7
(Ep.3)
Guest
8.4
2014
Star Gazing
Star Gazing
Korean TV Show, 2014, 12 eps
(Ep. 6) (Guest)
12
(Ep. 6)
Guest
7.2
2013
Beatles Code 3D
Beatles Code 3D
Korean TV Show, 2013, 18 eps
(Ep. 12) (Guest)
18
(Ep. 12)
Guest
7.3
2013
The Return of Superman
The Return of Superman
Korean TV Show, 2013, 640 eps
(Ep. 224, 360) (Guest)
640
(Ep. 224, 360)
Guest
8.6
2013
I Live Alone
I Live Alone
Korean TV Show, 2013, 650 eps
(Ep. 237, 259, 297, 300-301, 348, 378) (Guest)
650
(Ep. 237, 259, 297, 300-301, 348, 378)
Guest
8.4
2012
Ask in a Box
Ask in a Box
Korean TV Show, 2012, 58 eps
(Guest)
58
Guest
7.8
2012
Beatles Code Season 2
Beatles Code Season 2
Korean TV Show, 2012, 87 eps
(Ep. 41) (Guest)
87
(Ep. 41)
Guest
8.0
2011
Immortal Songs: Singing the Legend
Immortal Songs: Singing the Legend
Korean TV Show, 2011, 800 eps
[Legend] (Ep. 647) (Guest)
800
[Legend] (Ep. 647)
Guest
8.2
2011
Kim Yuna's Kiss & Cry
Kim Yuna's Kiss & Cry
Korean TV Show, 2011, 14 eps
[Skater] (Regular Member)
14
[Skater]
Regular Member
7.6
2010
Hello Counselor
Hello Counselor
Korean TV Show, 2010, 431 eps
(Ep. 95, 159) (Guest)
431
(Ep. 95, 159)
Guest
7.9
2010
Picaru no Teiri
Picaru no Teiri
Japanese TV Show, 2010, 118 eps
(Guest)
118
Guest
8.3
2010
Heroes
Heroes
Korean TV Show, 2010, 40 eps
(Ep. 37) (Guest)
40
(Ep. 37)
Guest
7.9
2010
Running Man
Running Man
Korean TV Show, 2010, 850 eps
(Ep. 27, 115) (Guest)
850
(Ep. 27, 115)
Guest
9.2
2009
Strong Heart
Strong Heart
Korean TV Show, 2009, 166 eps
(Ep. 63-64, 81-83, 153-154) (Guest)
166
(Ep. 63-64, 81-83, 153-154)
Guest
7.7
2008
Shabekuri 007
Shabekuri 007
Japanese TV Show, 2008, 610 eps
(Ep. 28) (Guest)
610
(Ep. 28)
Guest
8.2
2008
Family Outing
Family Outing
Korean TV Show, 2008, 85 eps
(Ep. 17-18) (Guest)
85
(Ep. 17-18)
Guest
8.4
2008
Champagne
Champagne
Korean TV Show, 2008, 81 eps
(Guest)
81
Guest
6.6
2007
Explorers of the Human Body
Explorers of the Human Body
Korean TV Show, 2007, 13 eps
(Ep. 9-10) (Guest)
13
(Ep. 9-10)
Guest
8.4
2007
Live Talk Show Taxi
Live Talk Show Taxi
Korean TV Show, 2007, 501 eps
(Ep. 187) (Guest)
501
(Ep. 187)
Guest
7.7
2007
Happy Together Season 3
Happy Together Season 3
Korean TV Show, 2007, 557 eps
(Ep. 35, 67, 183, 517) (Guest)
557
(Ep. 35, 67, 183, 517)
Guest
7.6
2007
Radio Star
Radio Star
Korean TV Show, 2007, 975 eps
(Ep. 601, 848) | [Guest MC] (Ep. 705) (Guest)
975
(Ep. 601, 848) | [Guest MC] (Ep. 705)
Guest
7.6
2007
Blast! Spirit of Unity
Blast! Spirit of Unity
Korean TV Show, 2007, 23 eps
(Guest)
23
Guest
4.0
2005
J-Melo
J-Melo
Japanese TV Show, 2005, 576 eps
(Guest)
576
Guest
0.0
2005
Oshareism
Oshareism
Japanese TV Show, 2005, 760 eps
(Ep. 189) (Guest)
760
(Ep. 189)
Guest
8.4
2003
X-Man
X-Man
Korean TV Show, 2003, 178 eps
(Ep. 33-36, 39-40, 55-56, 94-95, 100-101, 110-113, 151-152, 156-157, 160, 162) (Guest)
178
(Ep. 33-36, 39-40, 55-56, 94-95, 100-101, 110-113, 151-152, 156-157, 160, 162)
Guest
7.9
1998
Channel A
Channel A
Japanese TV Show, 1998, 573 eps
(Regular Member)
573
Regular Member
8.0
1994
Hey! Hey! Hey! Music Champ
Hey! Hey! Hey! Music Champ
Japanese TV Show, 1994, 745 eps
(Guest)
745
Guest
8.4
1993
COUNT DOWN TV
COUNT DOWN TV
Japanese TV Show, 1993, 1300 eps
(Guest)
1300
Guest
7.6
1986
MUSIC STATION
MUSIC STATION
Japanese TV Show, 1986, 1328 eps
[Performer] (Guest)
1328
[Performer]
Guest
7.9
1974
FNS Music Festival
FNS Music Festival
Japanese TV Show, 1974, 51 eps
(Guest)
51
Guest
0.0
1964
Music Fair
Music Fair
Japanese TV Show, 1964, 3000 eps
(Guest)
3000
Guest
7.0
1951
Kouhaku Uta Gassen
Kouhaku Uta Gassen
Japanese TV Show, 1951, 76 eps
(Ep. 59-60, 62) (Guest)
76
(Ep. 59-60, 62)
Guest
7.6
Articles
Baek Ji Won Becomes Yoo Soo Bin's Mother in "The Perfect Deal"
News - Sep 26, 2023

Baek Ji Won will be joining the cast of The Perfect Deal.

Hong Jong Hyun to Make a Special Apearance in "Player Season 2"
News - Jul 19, 2023

Hong Jong Hyun will be making a special appearance in the upcoming tvN K-drama Player Season 2.

Ra Mi Ran and Moon So Ri in Talks to Join Kim Tae Ri in "Jeong Nyeon”
News - Jun 14, 2023

Triple threat! Ra Mi Ran and Moon So Ri offered to join hands with Kim Tae Ri in the upcoming K-drama Jeong Nyeon.

Park Se Hyun joins Lee Ha Nee's Upcoming MBC K-drama "Flowers that Bloom at Night"
News - May 16, 2023

Park Se Hyun is confirmed to join the upcoming MBC K-drama Flowers that Bloom at Night.

Kim Jung to Work Alongside Lee Yun Hee and Hong Jong Hyun in "Race"
News - May 10, 2023

56th Baeksang Arts Awards Best Actress Kim Jung will be joining the upcoming Disney+ Race.

Actress Lee Yeon Hee's on Her First Office Drama “Race”
News - May 8, 2023

Lee Yeon Hee revealed why she chose 'Race.'

U-Know

Yun Ho Jung
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Details

  • First Name: Yun Ho
  • Family Name: Jung
  • Native name: 유노윤호
  • Also Known as: Uknow, Jung Yunho, Jeong Yun Ho, 정윤호, ユンホ, 瑜鹵允浩
  • Nationality: South Korean
  • Gender: Male
  • Born: February 6, 1986
  • Age: 40

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