Conversation so far:
Who were the founding members of the band Public Enemy?
Chuck D developed his talents as an MC with Flavor Flav. They collaborated with Spectrum City, which included Hank Shocklee, Keith Shocklee, and Eric Sadler, known as the Bomb Squad
Was there a specific date that the band was named Public Enemy?
When did the band first peform as Public Enemy?
The band Public Enemy started out as opening act for the Beastie Boys during the latter's Licensed to Ill popularity

Question: Who was the next member to join?
Self-contained rewrite: Who was the next member to join the band Public Enemy besides the Bomb Squad, Professor Griff, and Flavor Flav?