Seventeen (Korean: 세븐틴), also stylized as SEVENTEEN or SVT, is a South Korean boy band formed by Pledis Entertainment in 2015. The group consists of 13 members: S.Coups, Jeonghan, Joshua, Jun, Hoshi, Wonwoo, Woozi, DK, Mingyu, The8, Seungkwan, Vernon and Dino. The group performs as one group, and the members are divided into three sub-units, each with a different area of specialization: 'Hip-Hop Unit', 'Vocal Unit', and 'Performance Unit'. Since its debut, Seventeen has released three studio albums and ten extended plays. Seventeen is considered a "self-producing" idol group, with the members being actively involved in the songwriting, choreographing, and other aspects of their music and performances.