What is associated with: a cocker spaniel a mutt are the title characters of this 1955 animated classic?

Based on the clue 'a cobalt native american boat', what is the answer? What is referred to by 'a cobalt wildebeest'? Based on the clue 'a cobbler is someone who fixes or makes these', what is the answer? Based on the clue 'a cockatoo named fred was this tv cops companion', what is the answer? What is referred to by 'a cockroach'? Based on the clue 'a cocktail just before bedtime', what is the answer? Based on the clue 'a cod or to catch a cod', what is the answer? Based on the clue 'a code secretly based on a daphne du maurier novel...', what is the answer?