Singer, songwriter and producer who came to fame as a member of the boy band Exile. He has worked as a producer for groups like Deep and released his debut solo single, "Itsuka Kitto...," in 2011.
He got his start playing piano at age 4. He received vocal training at the ESP Musical Academy in Tokyo, Japan.
He has become famous for his trademark sunglasses, which he began wearing in response to the bright lights on television sets.
His full name is Atsushi Satō.
He was bandmates with Naoto Kataoka in Exile.