Jung Il-hoon

Jung Il-hoon (Korean: 정일훈; born October 4, 1994), simply known as Ilhoon or Illhoon, is a South Korean rapper, singer, songwriter, record producer, and actor. He was a rapper in the South Korean boy band BtoB. He is well known for his collaborations with artists such as Hyuna and G.NA, as well as for being an assistant MC on the variety show Weekly Idol. Ilhoon made his acting debut starring in the drama Webtoon Hero: Tundra Show in 2015. He was also known for popularising the gestures for "Gwiyomi Player", later confirming that he was taught them by Yujin when she was a trainee.