Jung Il-hoon (Korean: 정일훈, English: Jung Il-hoon, Japanese: イルフン), born on October 4, 1994, debuted in 2012 as a member of the South Korean boy group BTOB. Initially serving as Main Rapper and Vocal, he later became one of the group's Rappers and Ace. He possesses talents in songwriting, composing, arranging, and music production. He left BTOB on December 31, 2020, due to a drug-related incident.
