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Park Gun Wook (박건욱; or simply Gunwook) is a South Korean singer, rapper and lyricist under Jellyfish Entertainment. He is a member of the boy group ZEROBASEONE.

He is best known for being a contestant on the reality survival shows Wild Idol and Boys Planet.


2021: Wild Idol[]

On August 10, 2021, Park Gun Wook was introduced as the 16th contestant of the survival show Wild Idol.[1] Unfortunately, he was eliminated in the final episode, thus making him unable to become a member of TAN.

2022–2023: Boys Planet, debut with ZEROBASEONE[]

On December 29, 2022, he was introduced as a contestant of Mnet's survival show Boys Planet, representing Jellyfish Entertainment.[2] During the show's finale, he was revealed to have ranked 5th overall, thus making him a member of ZEROBASEONE.

The group debuted on July 10, 2023 with the mini album Youth in the Shade.


Participation releases[]

Writing credits[]

Artist Song Album Credit
Wild Idol contestants "Last Chance" "The Wild Idol Part.5" Writing
Boys Planet "En Garde (준비,시작!)" Boys Planet - Artist Battle Writing


Survival shows[]


  • His MBTI personality type is ENFJ.[3]
  • Prior to Boys Planet, he trained for 2 years and 5 months.[3]
  • He can speak Korean and English.[3]
  • His favorite song is Come Together by Chris Brown (feat. H.E.R.).[3]
  • His role model is Jay Park.[3]
  • His hobbies include showing off his forearms, watching soccer, eating chocolate, playing games, and walking.[3]
  • He has a habit of biting his lip when he is concentrating or nervous.[3]
  • He was changing Soyeon's rap part while covering Tomboy of (G)I-DLE.
  • His speciality is his high pitch.[3]


Main article: Park Gun Wook/Gallery