Chestilla McBadbat is the gender-swapped counterpart of Chester McBadbat seen in The All New Fairly OddParents!. She is just as bad in sports as her male counterpart. Contrast to her male counterpart, who was scared of girls giving him hives, Chestilla is afraid of giving boys hives.
Chestilla wears braces, her hair is in a pony tail, wears a blue sleeveless shirt with a black jacket, and light green pants. Her voice is similar to Lil DeVille from All Grown Up.