Aunt Hilda is the aunt of the villainess Marsha, Queen of Diamonds, with whom she worked with on 2 occasions. She is extemely adept at making love potions and toad potions of which Marsha uses. She teaches cooking at The Wayne Foundation college. She isnt a villain as she was forced to help her niece Marsha who used her twice for her own personal gain. She loves loud noises and gets nervous in closed spaces.