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Jung Il-hoon (Korean정일훈; born October 4, 1994), simply known as Ilhoon, is a South Korean rapper, songwriter, record producer, and actor. He is the main rapper of the South Korean boy band BtoB. He is well known for his collaborations with artists such as Hyuna and G.NA, as well for being an assistant MC on the variety show Weekly Idol. Ilhoon made his acting debut as he starred in the drama Webtoon Hero: Tundra Show in 2015.[2] He was also known for creating the gestures for "Gwiyomi Player".

Jung Il-hoon
Jung Il-hoon at an fansign in November 2016.jpg
Ilhoon at a fansign in November 2016
Native name
Born (1994-10-04) October 4, 1994 (age 25)
Seoul, South Korea
  • Rapper
  • Songwriter
  • Record Producer
  • Actor
RelativesJoo (Sister)
Musical career
Years active2012 (2012)–present
Associated actsBtoB United Cube
Korean name
Revised RomanizationJeong Il-hun
McCune–ReischauerChŏng Ilhun
Jung Il-hoon's Signature.png


Jung Il-hoon was born on October 4, 1994 in Seoul, South Korea. He graduated from Hanlim Multi Art School and attended Korea College of Media Arts with acting course.[3] He is the younger brother of singer Joo.[citation needed]



Il-Hoon had filled in for label mate Yong Jun-hyung during some of G.NA's debut promotions with "I'll Back Off So You Can Live Better" on music shows, in 2010.[citation needed]

In 2011, Il-Hoon (along with four other members of BtoB's initial line-up) made his acting debut in the JTBC sitcom, I Live in Cheongdam Dong.[citation needed]


Il-Hoon debuted as the main rapper of the boy group BTOB in 2012. The group made their official debut on Mnet's M! Countdown on March 21.[citation needed]

Solo activitiesEdit

Since 2012, Il-Hoon has been continuously appearing on variety show Weekly Idol as a special MC/ together with Apink's Bomi. Il-Hoon had his last broadcast on Weekly Idol on its 206th episode.[4] In 2012, he collaborated with 4minute's Gayoon with the song "My Love By My Side" for the musical of the same name. He also featured in Hyuna's "Unripe Apple" which was a track from her second EP, Melting.[5]

In 2013, he was featured in 2YOON's Harvest Moon EP for the track "Nightmare", where he showed his impressive rapping skills. His featuring activities continued as he was later on revealed to be collaborating with G.NA for the lead single, "Oops!", of the Beautiful Kisses EP.[6]

In 2015, Cube Entertainment announced Hyuna's lead single for A+ would feature Il-Hoon. The track was titled "Roll Deep" (Because I'm the Best). He also participated in the making of the album.[7] He was only able to perform with Hyuna twice as there was a conflict with other BTOB schedules. He was replaced by Cube Entertainment's trainee, Kim Hyo-jong. Later in 2015, Il-Hoon joined the line-up for Unpretty Rapstar 2's semi-finals episode as he performed with contestant Jiyoon for the track "This Ain't Me".[8]

In 2015 Il-Hoon starred in the web-drama, Webtoon Hero: Tundra Show as Kim Sung-min.[2]

On May 24, 2017, it was revealed that Il-Hoon would be releasing a self-composed track on May 30, as part of BtoB’s "Piece of BtoB" solo project.[9] On May 26, it was revealed the song would be "Fancy Shoes", a song that he had had previously performed at BTOB's solo concert, BTOB Time 2017.[10]

In September 2017 it was announced Il-Hoon would be joining the cast of web-mockumentary (fashioned as a cosmetics reality program), The Cushion, alongside label mate Yoo Seon-ho and Korean beauty YouTuber Lena.[11] All the episodes were uploaded on Naver TV, YouTube and Oksusu from October to November 2017.

On February 12, 2018, it was announced that Il-Hoon would be releasing his first solo album the following March.[12][13] The album, titled Big Wave, contained five tracks which feature, BTOB member, Hyunsik and Jinho of Pentagon. The lead single, "She's Gone", is a hip hop song which describes complicated feelings, Il-Hoon had previously performed the song at BTOB's 2017 BTOB Time - Our Concert, from 23–24 December at the Ilsan Kintex Exhibition Center.[14] Jung participated in writing and composing the songs.[15]

On February 21, 2019, Il-Hoon dropped a digital single, "Spoiler", featuring solo artist Babylon. [16]


Extended playsEdit

Title Details Peak chart positions Sales
Big Wave
Track listing

  1. Come Closer featuring Hyunsik
  2. Fancy Shoes (Remastered)
  3. She's Gone
  4. Big Wave
  5. Always featuring Jinho
2 KOR: 34,270[18]


Title Year Peak chart position Sales



As lead artist
"Fancy Shoes" 2017 76 Piece of BtoB Vol.2
"She's Gone" 2018 24 Big Wave
"Spoiler" (feat. Babylon) 2019 Non-album single
"My Love By My Side" (with Heo Ga-yoon) 2012 N/A My Love By My Side Musical
"Baesisi" (with Jisook) 2017 Baesisi
As featured artist
"Unripe Apple" (Hyuna feat. Jung Il-hoon) 2012 70 Melting
"Nightmare" (2YOON feat. Jung Il-hoon) 2013 Harvest Moon
"Oops!" (G.NA feat. Jung Il-hoon) 13 19 Beautiful Kisses
"Just Pass By" (Subin feat. Jung Il-hoon) 2014 N/A B.B.B
"2Limes" (Inoran feat. Minhyuk, Peniel, Ilhoon) 2015 Beautiful Now
"Roll Deep" (Hyuna feat. Jung Il-hoon) 13 3 A+
"This Ain't Me" N/A Unpretty Rapstar 2 Semi-Final Part 1
"Wind Clock" (Wax feat. Jung Il-hoon) Non-album single
"Chamisma" (CLC feat. Jung Il-hoon) 2016 Chamisma
"You Seem Busy" (Melody Day feat. Jung Il-hoon) 2017 KISS ON THE LIPS
"Remember" (Babylon feat. Jung Il-hoon) 2018 Non-album single
"One" (Samuel feat. Jung Il-hoon) One
"Obvious" (Hwanhee feat. Jung Il-hoon) Obvious
"Hug Me" (U Sung-eun feat. Jung Il-hoon) Non-album single
"Cookies" (Lee Hong-gi feat. Jung Il-hoon) Do n Do
Soundtrack appearances
"Bye Bye Love" (with Dongwoon, Yoseob, Changsub) 2013 35 When a Man Falls in Love OST
"Goodbye Sadness" (with Changsub, Eunkwang) 2015 N/A Sweet, Savage Family OST
"For You" (with Changsub, Eunkwang, Minhyuk) 2016 Cinderella and Four Knights OST
"It Was Love" (with Bang Min-ah) 2019 My Absolute Boyfriend OST
"—" denotes releases that did not chart or were not released in that region.


Television seriesEdit

Year Title Network Role Notes
2015 Webtoon Hero: Tundra Show MBC Every 1 Kim Sung-min Lead role

Variety showsEdit

Year Show Network Notes
2012-2016 Weekly Idol MBC Every 1 Co-host with Apink's Bomi
Regular Guest, Assistant MC
2017 The Cushion NAVER TV Main cast with Yu Seon-ho and Lena[28]
2018 Idol Room JTBC Co-host with IZ*ONE's Yujin
Special MC on Episode 31
2019 Insane Quiz (이세퀴) NAVER TV, YouTube Main Host [29]
KBS Music Shuffle, The Hit KBS2 Contestant with Hyunsik and Eddy Kim [30]
Insane Quiz (이세퀴) Season 2 NAVER TV, YouTube Main Host [31]
The Quack Philosophers (개똥이네 철학관) TVN Main cast with Lee Seung-chul, Kim Jun-hyun and Im Soo-hyang [32]

Music videosEdit

Title Year Ref.
"Fancy Shoes (Choreography Practice Video)" 2017 [33]
"She's Gone" 2018 [34]
"Always" [35]
"Spoiler" ft Babylon 2019 [36]

Radio showEdit

Year Title Network Notes Ref.
2018 Idol Radio MBC DJ; September 27, 2018–present [37]


  1. ^ "BTOB每个人的中文正确名字正式公开(按照年纪大到小的排名顺序)". Retrieved March 28, 2012.
  2. ^ a b "BTOB's Ilhoon to make acting debut as lead of upcoming variety drama". Retrieved June 23, 2015.
  3. ^ "BTOB Jung IlHoon accepted into Acting course in Korea College of Media Arts". Retrieved 14 January 2015.
  4. ^ "BTOB's Ilhoon and A Pink's Bomi to leave 'Weekly Idol'". Retrieved June 30, 2015.
  5. ^ "HyunA reveals additional photos + tracklist for 'Melting'". Retrieved October 17, 2012.
  6. ^ "G.NA Beautiful Kisses (EP)". iTunes. Retrieved March 19, 2013.
  7. ^ "HyunA announces her title track featuring BTOB's Ilhoon!". Retrieved August 13, 2015.
  8. ^ "Lee Soo Hyun, Basick, Ilhoon, and More to Also Collaborate With "Unpretty Rapstar 2" Contestants". Retrieved October 27, 2015.
  9. ^ 큐브 측 "정일훈, 비투비 솔로 프로젝트 두번째 주자…자작곡 공개" (in Korean). Retrieved 2017-05-26.
  10. ^ "정일훈 커버 공개…비투비 솔로프로젝트 두 번째 주자". 2017-05-26. Retrieved 2017-05-26.
  11. ^ "[단독]'프듀2' 유선호X비투비 정일훈, 뷰티예능 '더쿠션' 출연" (in Korean). Retrieved 2018-01-22.
  12. ^ [단독] 비투비 정일훈, 첫 솔로앨범…3월 데뷔 목표 (in Korean). Retrieved 2018-02-12.
  13. ^ [공식입장] 비투비 측 "정일훈 3월 솔로데뷔 목표, 녹음 마쳤다" (in Korean). 2018-02-12. Retrieved 2018-02-12.
  14. ^ "비투비, 12월 네 번째 단독콘서트 개최.."BTOB Time"" (in Korean). Retrieved 2018-06-09.
  15. ^ "She's gone". Retrieved 2018-07-08.
  16. ^
  17. ^ "Gaon Digital Chart". Gaon Chart (in Korean). Korea Music Content Industry Association.
  18. ^ "2018년 상반기 Album Chart".
  19. ^ Charted Songs:
  20. ^ Charted Songs:
  21. ^ "2017년 22주차 Download Chart". Gaon Chart. Korea Music Content Industry Association.
  22. ^ "2018년 10주차 Download Chart". Gaon Chart. Korea Music Content Industry Association.
  23. ^ "2012 Gaon Download Chart – Week 44".
  24. ^ "2013 Gaon Download Chart – Week 4".
  25. ^ Cumulative sales for "Oops!": "Gaon Download Chart – April, 2013".
  26. ^ : Cumulative sales for "Roll Deep":
  27. ^ "Gaon Download Chart – May, 2013".
  28. ^ "[단독]'프듀2' 유선호X비투비 정일훈, 뷰티예능 '더쿠션' 출연". 13 September 2017. Retrieved 22 October 2017.
  29. ^ "투비 정일훈, 플레이리스트 퀴즈쇼 '이세퀴' 새 MC 낙점 [공식입장]". 10 February 2019.
  30. ^ "'더 히트' 김연자-김경호-김조한-비투비-에디킴-청하, 대박 라인업 공개". 14 February 2019.
  31. ^ "'이세퀴2' MC=비투비 정일훈..아스트로 MJ·이달의소녀 츄 패널 합류 [공식]". 21 June 2019.
  32. ^ "'개똥이네 철학관' 션X스윙스X최현석, 첫회 출연 "16일 첫방송"(공식)". Newsen. 4 July 2019.
  33. ^ United CUBE (CUBE Entertainment Official YouTube Channel) (2017-05-30), 정일훈 – 'Fancy Shoes' (Choreography Practice Video), retrieved 2017-05-30
  34. ^ BTOB 비투비 (Official YouTube Channel) (2017-03-08), JUNG ILHOON - 'She's gone' Official Music Video, retrieved 2019-02-22
  35. ^ BTOB 비투비 (Official YouTube Channel) (2018-03-18), 정일훈(JUNG ILHOON) - 'Always (Feat. 진호 of 펜타곤)' Official Music Video, retrieved 2019-02-22
  36. ^ BTOB 비투비 (Official YouTube Channel) (2019-02-20), 정일훈(JUNG ILHOON) - 'Spoiler (Feat. Babylon)' Short film, retrieved 2019-02-22
  37. ^ "'Idol Radio' new DJ BTOB Jung Ilhoon…"Luck after Eunkwangie hyung"". SportsChosun (in Korean). 21 September 2018.

External linksEdit