ATEEN Members Profile: ATEEN Facts, ATEEN Ideal Type ATEEN was a 10-member boy group under DS&A Entertainment. The group consists of: Jonathan, L.Y, Heyden, Kim-Chan, Segun, Ki-bin, Bill, King, Joel and Rookie. They only promoted in Japan and the group unfortunately disbanded before making their debut in S. Korea. ATEEN’s Fandom Name: – ATEEN’s Official … Continue reading ATEEN Members Profile and Facts