Claim: G-Dragon and rapper T.O.P formed a duo.
Evidence: G-Dragon later formed a duo with fellow Big Bang member T.O.P to record and release the album GD & TOP -LRB- 2010 -RRB- , which contained the top-five hits `` High High '' , `` Oh Yeah '' , and `` Knock Out '' on the Gaon Digital Chart , while the album peaked at number-one.
Choi Seung-hyun -LRB- ; born November 4 , 1987 -RRB- , better known by his stage name T.O.P , is a South Korean rapper , singer-songwriter , actor , and record producer.