Daisy Mae (ウリ, Uri) is a special visitor introduced in New Horizons. She arrives at the player's island every Sunday morning (from 5 AM to 12 PM) to sell turnips, taking on the role from her grandmother Joan.
Obviously, don't nominate any human characters. Hybrids like Cheetah or The Lizard are okay, as are shapeshifters with one set animal form (eg Professor McGonagall.)