[custom_adv] Sasan Yafteh (born 11 November 1988), better known by his stage name, Sasy, formerly known as Sasy Mankan, is a pop singer-songwriter from Ahvaz. [custom_adv] Reuters has described him as one of most popular underground singers. [custom_adv] Sasy's hit song "Gentleman" has over 100 million plays on Persian music station Radio Javan. [custom_adv] Before the 2009 presidential election he met with the candidate Mehdi Karroubi.