David Vogt, best known by his stage name Charles Greywolf, is a German musician, record producer, mixer and recording engineer. He is best known as the rhythm guitarist of the power metal band Powerwolf.

Powerwolf is a German power metal band founded in 2003 in Saarbrücken by members of Red Aim. The band consists of vocalist Karsten Brill as "Attila Dorn", lead guitarist Benjamin Buss as "Matthew Greywolf", bassist/rhythm guitarist David Vogt as "Charles Greywolf", keyboardist Christian Jost as "Falk Maria Schlegel" and drummer Roel van Helden. The group uses religious themes and images, contrary to traditional power metal music, as well as corpse paint, gothic-tinged compositions and songs about werewolf and vampire legends.