He's about to enter his 40th year as a member of one of the most influential heavy metal groups of all time. Can you recognize him from this yearbook photo?

Our first tip in solving this puzzle is very direct: ignore that sweater. The man this boy grew up to be dresses very differently now -- at least on stage. Our second hint should help more. The famous group he's a part of seemed ready to back away from the spotlight in recent years, but fan reaction to this news, and the infusion of energy from a new member of the band, have apparently changed those plans. Think you know who we're talking about? Click below to find out if you're right!