What is referred to by 'barbarino epstein horshack'?

Which performer is associated with 'barbara'? Which performer is associated with 'barbarella'? Based on the clue 'barbarians bumble in blackberry these another word...', what is the answer? Based on the clue 'barbaric often precedes this word derived from mid...', what is the answer? What is referred to by 'barbarino in love'? Based on the clue 'barbaro seattle slew or the zebra', what is the answer? Which performer is associated with 'barbarosa'? What is associated with: barbarossa led the third of these campaigns in the holy land which began in 1189 lasted until…