B2M Entertainment officially announce the fan club name of SS501′s Heo Young Saeng and Kim Kyu Jong, the fan club name was voted with many fans who participated between 19-Aug to 26-Aug. It was revealed recently that Young Saeng Official Fan Club Name is “ Y.E.S ” which means ‘ Youngsaeng Eternal Supporters ‘ and Kim Kyu Jong Official Fan Club Name is “ ThanKyu ”, being thankful for the existence of each other all the time. B2M Entertainment notice, “We hope for everyone’s utmost love and attention.”