Conversation so far:
What was Hardcore 81 by D.O.A. the band?
Hardcore 81 is D.O.A.'s second album
who was fired from the band D.O.A. after Hardcore 81?
Randy Rampage was fired from D.O.A. on January 1, 1982

Question: Who replaced him?
Self-contained rewrite: Who replaced Randy Rampage when he was fired from the band D.O.A.?