"Kjetta på Dovre" / "The Cat on Dovre Mountain" has to be up there.

Pigs, I think. They’re fed up of being cliche capitalists or incompetent builders of houses.

take any random Hungarian folk tale about a prince or guy, where the fox or the horse tells them every step what to do and solves their problems. Those animals are the true heroes. (I know these have hidden meanings, bit still didn't wrap my head around these cases)

Wolves. They're always getting bad press.

Platypuses should be in there, though their situation may be more of bewilderment than misunderstanding.

Beavers are misunderstood. They save forest stands and seem to hate the sound of running water.

Vultures. Wolves.

Spiders and bats. Most of them are completely harmless to humans, but nearly everyone fears them, despite their usefulness in keeping insect populations (mosquitoes!) in check.

Moles, worms, and in general any creatures that dig underground tunnels and bring life to the soil!