RAVN, also known as Kim Youngjo, is the Main Rapper and eldest member of the group ONEUS. Before becoming an idol, RAVN used to be a child actor until he began auditioning for several entertainment companies.
He used to be a trainee underJYP, YG, and Plan A Entertainment. RAVN also appeared in the Survival Show "Mixnine" and ranked 27th. Eventually, he was able to debut with the 6-member group ONEUS where he also produces songs.