New Neighbors and Stinky Rumors

In the world of enchantimals (half humans, half animals), the Grus (two half unicorns and three half kittens) get new neighbors, the Wiggins, who are half skunks. Gladys, a half-cat, makes speciesist remarks about the new neighbors, and a little girl overhears. Who stinks the most: the new neighbors or a busybody Karen?