Hellion are an American heavy metal band from the 1980s. They are noted for having female vocalist Ann Boleyn. Their most highly regarded studio album is The Black Book. Hellion became famous after being discovered by Ronnie James Dio in the mid-1980s. Hellion was based in Los Angeles and there were several line-ups, all of which were very good. The band probably would have become very big, if it was not for the major record companyie' concept of female singers and the type of music women were expected to perform in the 1980s.