Jung Ilhoon (정일훈; or Ilhoon) is a South Korean rapper, songwriter and composer under Cube Entertainment. He is a member of the boy group BTOB. He is also best known as the creator of the 'Gwiyomi Player'.
He made his solo debut on March 8, 2018 with the mini album Big Wave.
- Big Wave (2018)
- "Unripe Apple" (HyunA feat. Jung Ilhoon) (2012)
- "My Love By My Side" (Heo Ga Yoon feat. Jung Ilhoon) (2012)
- "Nightmare" (2YOON feat. Jung Ilhoon) (2013)
- "Oops!" (G.NA feat. Jung Ilhoon) (2013)
- "Just Pass" (Subin feat. Jung Ilhoon) (2014)
- "Roll Deep" (HyunA feat. Jung Ilhoon) (2015)
- "Dear Memories" (Wax feat. Jung Ilhoon) (2015)
- "You Seem Busy" (Melody Day feat. Jung Ilhoon) (2017)
- He is the younger brother of singer JOO.
- He graduated from Hanlim Multi Art School and attended Korea College of Media Arts with acting course.
- Ilhoon has been appearing on variety show Weekly Idol as a special MC/assistant MC together with Apink's Bomi.
- He made his acting debut on 2015 with "Webtoon Hero: Tundra Show" as Kim Sungmin.
- Ilhoon released his first solo track "Fancy Shoes" On May 30, 2017
- Seo Eunkwang, Lee Minhyuk, Im Hyunsik, Jung Ilhoon and Lee Minwoo (TK of C Clown) were first original line BTOB members, before debut.
- Ilhoon made Kwiyomi gestures during episode 24 of BtoB's MTV Diary, and then went on to be a viral after Ilhoon made an appearance on Weekly Idol.
- His MBTI personality type is ESTP.