The members of Disturbed are Mike Wengren, John Moyer, Dan Donegan, and David Draiman.  David Draiman does the vocals, Dan Donegan plays the Guitars, Mike Wegren plays the drums, and John Moyer plays the bass.  Dan was born at Oak Lawn, Illinois on 8-1-1968.  Mike was born at South Chicago, Illinois on 9-3-1971.  David was born at Flatbush, Brooklyn, New York on 3-13-1973. John was born 11-30-1973.