Park Ji-hoon was born on March 14, 2000, in Nam District, Busan, South Korea as the youngest of two sons.

[10] In the midst of his activities with the band, Jihoon served as a host for Inkigayo with Ahn Yu-jin of Ive and Sungchan of NCT for a tenure lasting between 2021 and 2022.

[11] He was cast by the South Korean director Na Young-seok and Ha Moo-sung to appear on their series The Idol Ramyeonators (2022) with Choi Hyun-suk following their guesting on their label's special of The Game Caterers.

[12] Jihoon debuted on the Gaon Social Chart 2.0, which integrates data from SMR, YouTube, Mubeat, V Live and My Celebs to calibrate a ranking among fifty artists, for the month of October in 2020.

[14] Jihoon has cited senior label-mate Big Bang as his musical influence, with member Taeyang captivating most of his focus.