Michele Amabile Angermiller Heavy metal titan and founder of Megaforce Records/Crazed Management Jonny Zazula — best known in metal circles as Jonny Z — is tantamount for giving a voice and a platform to what was once an underserved and underrepresented musical community.All that changed in 1981 when Zazula and his wife, Marsha, opened a record store (with only 21 imports to start) in the Route 18 flea market located in East Brunswick, N.J.