Stage Name: Gon
Birth Name: Kim Seongjoong
Group: ARGON
Position: Main Vocalist
Birthday: November 13, 1998
Zodiac Sign: Scorpio
II. Career
I. 2018–2020: ARGON
Gon was revealed as a member of ARGON on November 23, 2018.
They then made their debut on March 11, 2019 with the single album "Master Key''.
Unfortunately, they presumably disbanded in late 2020.
III. Gon Facts
-Gon was revealed as a member of ARGON on 23 November, 2018.
-He was the sixth and final member to be revealed on their official accounts.
-He can play the piano.
-He is good at ball sports.
-He is a 4th dan in Taekwondo.
-He enlisted on January 19th, 2021. He is expected to finish his enlistment in July 18, 2022.
-He plays a supporting role in Korean Army Musical called 메이사의노래 (Meissa’s Song) from October 2021 to January 2022 alongside other idols and soldiers, and musical actors.