Like Crass , Jello Biafra was influenced by the hippie movement .
Like Crass , Jello Biafra was cited the yippies as a key influence on his political activism and thinking , though he also wrote songs critical of hippies .
Like Crass , Jello Biafra was influenced by the hippie movement , and cited the yippies as a key influence on his political activism and thinking , though he also wrote songs critical of hippies .