The Previous Icon Was Paul McCartney

He, half of a blue-eyed soul duo, dominated the 80s with a 1982 hit warning of danger, featuring smooth harmonies and pop-rock grooves. His mustache and charismatic vocals defined their string of No. 1s. Blending R&B with rock, they became MTV staples. Later solo and TV work kept his legacy alive.
Can you name this mustachioed soul singer?