 On October 9, he appeared on OGN as a special commentator for the "LoL World Championship".In November, Heechul began participating in SM Entertainment's League of Legends tournament "2016 SM Super Idol League", where he and labelmate Baekhyun played the game with both professional players and fans from South Korea and China.Heechul started his YouTube channel called "HEEtube 김희철" on November 18, 2018.