Nightrage is a Greek/Swedish melodic death metal band originally from Thessaloniki. They later re-located to Gothenburg, Sweden.

Konstantinos Karamitroudis, better known as Gus G, is a Greek heavy metal guitarist. He currently plays with his band Firewind. He has also played in Mystic Prophecy, Nightrage, Arch Enemy, Dream Evil and Ozzy Osbourne's band.