Zelda is one of Sabrina's aunts that take care of her. Originally she was depicted as a short chubby witch was rather eccentric and goofy. However, starting with the 1996 sitcom, she was depicted as slim and blonde and is serious and logical. In fact she was "magical scientist" and had received rewards for her discoveries. Then starting with the animated series to Secret Life, she was changed to being more of a red head however her calm and logical demeanor was the same as her sitcom counter part.