Westernhagen

Marius Müller-Westernhagen (born 6 December 1948) -- usually credited simply as "Westernhagen" -- is a German rock singer-songwriter and actor who has been one of the country's biggest-selling artists since the late 1970s. With albums Mit Pfefferminz bin ich dein Prinz (1978), Geiler is' schon (1983), Halleluja (1989) and the diamond-certified Affentheater (1994) he produced a string of stadium-rock anthems including "Freiheit", "Sexy" and "Mit 18" (Wikipedia)