The Ying Yang Twins are an American hip hop duo consisting of Kaine (born Eric Jackson; December 16, 1978) and D-Roc (born Deongelo Holmes; February 23, 1979). Despite the name, the duo are not twins, brothers, or even related. They debuted in 2000 and rose to mainstream popularity in 2003 collaborating with Britney Spears on her album In the Zone (2003) and with Lil Jon on "Get Low". In 2004 and 2005, the Ying Yang Twins became more popular with... [more on Wikipedia]