The Lady of the Puddle is Vanessa Doofenshmirtz's counterpart that takes her place in the fictional story of "Excaliferb" as a mystical figure who emerges from small puddles. Her mother is the famed Lady of the Lake who bestowed Excalibur upon King Arthur. She bestows a quest to Phineas and Ferbalot to find the fabled sword Excaliferb and defeat Malifishmertz.