Happy birthday to the mastermind behind megadeth and some of the greatest metal songs, solos, and riffs of all time -- davemustaine! 🎂😎☢️🤘 #davemustaine #megadeth #happybirthday #birthdayboy #virgo #virgoseason #countdowntoextinction #throwback #varkan #varkanofficial #varkanband #guitar #guitarist #thrash #thrashmetal #metal #heavymetal