Gus G.
Konstantinos Karamitroudis (Greek: Κωνσταντίνος Καραμητρούδης) also known as Gus G, born September 12, 1980 in Thessaloniki, Greece is a heavy metal guitarist. He currently plays with his band Firewind and Ozzy Osbourne. He has also played in Mystic Prophecy, Nightrage, Arch Enemy and Dream Evil.
From Wikipedia
Discografia
Guitar Master (2001)
I Am the Fire (2014)
Brand New Revolution (2015)