Which musician, Hyde or David Draiman, was in the rock band Vamps?
Hyde (musician): Hideto Takarai (寶井 秀人 , Takarai Hideto , born January 29, 1969 in Wakayama, Japan) , known exclusively by his stage name Hyde, is a Japanese musician, singer, songwriter, producer, and actor. Hyde (musician):  He is best known as the lead vocalist for the rock band L'Arc-en-Ciel, as well as for Vamps. David Draiman: David Michael Draiman (born March 13, 1973) is an American songwriter and the vocalist for the band Disturbed as well as for the band Device.
Hyde