Judas Priest are one of heavy metal’s all-time most influential and enduring bands, authors of a stellar career which is now fast approaching the five decade mark.

Since first coming together in the industrial English city of Birmingham in 1969, the band has evolved through over a dozen lineup changes and counted three different singers, two bass players, five guitarists and a positively Spinal Tap-worthy eight drummers among their ranks.

Join us as we unleash the Hellion, unchain the Metallion, and chronicle the men responsible for all those years of metal madness in this complete guide to Judas Priest’s lineup changes.