About Hongjoong
Kim Hong-joong, mononymously known as Hongjoong, is a South Korean rapper, singer, producer, and songwriter. He debuted as the leader of the South Korean boy band Ateez in 2018. As of March 2026, he has 178 songs credited under his name on the KOMCA. On October 24, 2018, Hongjoong officially debuted as the leader of KQ Entertainment's first boy group, "Ateez" with the debut EP Treasure EP.1: All to Zero. It became Hongjoong's first international collab and second in total. On November 7, 2025, Hongjoong dropped his first fashion collection named Petit Coussin.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.