 Shownu, Kihyun, Hyungwon, Wonho, Minhyuk, and I.M. and what other South Korean comprise a group created in 2015?
Lee Joo-heon: Lee Joo-heon (born Lee Ho-joon on October 6, 1994), better known by the mononym Jooheon, is a South Korean rapper and songwriter. Monsta X: Monsta X (Hangul: 몬스타엑스; often stylized as MONSTA X) is a South Korean boy group formed by Starship Entertainment through the survival show "No.Mercy" on Mnet in 2015. Monsta X:  The group is composed of seven members: Jooheon, Shownu, Kihyun, Hyungwon, Wonho, Minhyuk, and I.M.
i don't know