Beneath that hat is a very bad cat, her name is Moggie McFlea:
The maddest, baddest, mischief-making cat in history. . . .
When Magic Magda takes in villainous Moggie McFlea, things do not go well as Moggie tinkers with Magda's every spell, resulting in cream in every fountain and a tabby on TV. But even Moggie McFlea doesn't want to make poor Magda cry, so will they find a way to get the most out of being both naughty and nice?