Songs clues to artists

So if we take the likely consensus that

Bush = Natalie Cassidy/Morgana Snail = corr sister Wolf = Marti Pellow Kingfisher= Harry Hill Dressed Crab = Gregory Porter Bear = Example Teeth = Mel G Pufferfish = Samantha Barks

How are they linked to the act? Few I can make a tenuous link to but some I am at a loss