Firewind is a Greek power metal band formed in Thessaloniki in 1998. The group is currently signed to AFM records and was originally a small project created by guitarist Gus G. to showcase his demo, Nocturnal Symphony, in 1998. Firewind later became a full band over three years later when they recorded their debut album, Between Heaven and Hell. To date, the band has released nine studio albums and has been met with international success.

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.