Based on the clue 'aaaaaay he earned a masters degree from the yale ...', what is the answer?

Which performer is associated with 'aa'? What is referred to by 'aaaa'? Based on the clue 'aaaaaaaaaaaay call him dr fonz a big thumbs up t...', what is the answer? Based on the clue 'aaaaaaaaay it was the family favorite featuring t...', what is the answer? Based on the clue 'aaaack its the variety of australian parrot seen ...', what is the answer? Based on the clue 'aaah you cursed brat look what youve done im me...', what is the answer? Based on the clue 'aaargh i cant wait to go on this classic ride now...', what is the answer? Based on the clue 'aaargh pirata piraticus one of these arachnids ha...', what is the answer?