Magpie (Beware the Batman)

"Shiny, shiny, shiny"

"""Magpie""" is a recurring villain in the tv show Beware the Batman

personality
Due to experimental rehabilitation Magpie suffers from a split personality, One being a kleptomaniac who will literally go out of her way to collect any shiny object, causing her to commit several crimes, stealing objects with out any regard to their worth simply because "[she] like[s] the way they sparkle". The other one in complete contrast is a sweet and bubbly personality. Both are completely unaware of the others existence with the later working the formers agenda on a subconscious level.