Which performer is associated with 'corvus'?

Based on the clue 'corvallis coos bay klamath falls', what is the answer? What is referred to by 'corvette'? Based on the clue 'corvus a small constellation south of virgo is sai...', what is the answer? Based on the clue 'corvus brachyrhynchos this common bird annoys farm...', what is the answer? Based on the clue 'corynorhinus townsendii ingens is the ozark big ea...', what is the answer? What is referred to by 'cos in trig'? Based on the clue 'cosa nostra another term for the mafia can be tran...', what is the answer? What is referred to by 'cosbys recreational dentistry equipment'?