Daigo Naitō (内藤 大湖, Naitō Daigo; born April 8, 1978), known mononymously as Daigo, is a Japanese singer-songwriter, actor, television personality and voice actor. He debuted in 2003 as Daigo Stardust under Victor Entertainment. In 2007, he formed the rock band Breakerz. With the solo debut of Akihide, Daigo continued his solo project in 2013, but dropped the pseudonym surname "Stardust". He is known for portraying Yukichi Oishi in the television series Love Shuffle. (Via Wikipedia)