Inque

Inque is a female shapeshifter from the animated series Batmany Beyond. Appearing as a normal woman she can change into a featureless liquid black form. She has total control about her liquidized body which is extremly handy whenever she needs to slide under a door or ooze into a secured area. This is why she is a corporate saboteuse with an extreme high salary. Her weakness is water which will weaken though not kill her.