Hansol Vernon Chwe[5] was born in Tisch Hospital in Kips Bay, Manhattan,[6] on February 18, 1998,[7] to a Korean father and an American mother.

[11][12] Before his official debut as an idol, Vernon made multiple appearances on South Korean television, including Munhwa Broadcasting Corporation's Hello Stranger!

The remix was released February 26, 2022, with a review from Nylon's Steffanee Wang describing Vernon's verse as a "grand slam", with "heavy distortion before his silvery falsetto breaks through the digital veil".

[19] In December 2022 it was announced that Vernon would release the third mixtape for Seventeen's The Thirteen Tapes series: a self-composed and self-written single titled "Black Eye".

Key punk rock influences include American band Green Day and Canadian singer Avril Lavigne,[25] which have manifested in songs he has produced, such as Seventeen's "2 MINUS 1" and his own "Black Eye".

[26] He has also indicated interest in hyperpop and experimental pop, many times crediting British singer Charli XCX as an influence,[27][9] specifically for Seventeen's track "Gam3 Bo1".