10. Beast

Beast (B2ST) is a boy group from South Korea that consists of six members, under Cube Entertainment. The group was originally known as B2ST, an acronym for Boys to Search for Top. However, their name was changed to BEAST (Boys of the EAst Standing Tall) a few days before debut. They released their first mini-album Beast Is The B2ST on October 14, 2009.On October 14, the group's first mini-album, Beast Is The B2ST, was released, selling over 20,000 copies in October 2009.