Isis Vanderchill is an antagonist from Darkwing Duck franchise, that debuted in "All's Fahrenheit in Love and War". Formerly known as the "Ice Queen of St. Canard", Isis is a vain duck and the owner of the Vanderchill Ice Factory who in an attempt to stop herself from aging, underwent an experimental treatment to freeze her face, only to have her blood frozen instead, which granted her ice-based powers and the inability to experience warmth.