Gamer name JJoNak, he is an offensive player with the support hero Zenyatta for the video game Overwatch. He won the OWL MVP Award during the Inaugural Season of the Overwatch League playing for the team New York Excelsior.
He began his professional gaming career in 2017 with LW Blue.
His gamer name stands for "Jjomullak Nakji" or "fumbling octopus."
He has an older sister.
He and Jong-yeol Park have both played for New York Excelsior.