- Favorite Color: Blue.
- He is part of the Club Eskimo crew together with DEAN, Punchnello, Millic 2XXX! offonoff jUSEN, CHEKPARREN, and MISO.
- He made it to the finals of the Sign Here program and came in second place.
- He is allergic to cats.
- He is a guest every Friday on “Hotbeat”, a radio program on Arirang radio.
- bcalm – Dive (Feat. Maddox) (2020)
- EDEN – 3 Things (Feat. Maddox) (2019)
- KillaGramz – Drive (Feat. Maddox) (2018)
- ATEEZ Tour “The Expedition” 2019
- august 09 – Melbourne, Australia – Margaret Court Arena
Maddox Radio Programs
- Jun Hyosung’s Dreaming Radio (MBC FM4U, 2021) (06.06.2021)
- Studio Moon Night (Naver NOW, 2021) (17.05.2021) (Ep. 40) together with EDEN
- (DIVE Studios) Get Real (Ep.17) (22.10.2020) (Podcast)
Maddox TV Programs
- The Kolor (MBC M, 2020) (Ep. 4) together with ATEEZ
- Signhere (MBN, 2019)