Lee Ho-seok, known by his stage name Wonho (Korean: 원호), is a South Korean singer under Highline Entertainment. He is a former member of the South Korean boy group Monsta X, formed through the Mnet's survival show No.Mercy, under Starship Entertainment in 2015. He then made his solo debut, with his first EP Love Synonym Pt.1: Right for Me, on September 4, 2020.

Lee Joo-heon, better known by the stage name Joohoney and formerly mononymously known as Jooheon, is a South Korean rapper, singer, songwriter, and producer. He is a member of the South Korean boy group Monsta X, which formed through the Mnet's survival show No.Mercy, under Starship Entertainment in 2015. He also made his solo debut with the EP Lights in 2023.