Forms of Pinkie Pie

 has, in the course of various adventures and misadventures, taken on a number of different forms.

Drinkie Pie
Drinkie Pie is the Vampire Pony form of, assumed in order to battle the Living Apples who sought to conquer Equestria.

Personality and traits
Drinkie Pie is very similar in appearance to Pinkie Pie but has bat wings, tufted ears, red eyes, fangs, and a white collar held in place with a blue bow tie clasp. Her cutie mark also changes so that instead of three balloons, it consists of three teardrops.