To put it quite simply: This Page Needs An Image.

This page needs to be merged with already existing tropes, as in, it is redundant.

I suggest a name change. I know most of the examples here are actually women, the title implies that this trope is exclusivly for women while the trope itself is about the "maverick" member of the villain group. It might confuse younger tropers. Also, "Dark Chick" is not very creative.

Hero-Big Bad Lancer-Dragon Big Guy-Brute Smart Guy-Evil Genius Chick-Dark Chick...yeah.

People need to realize, this is about the "quirky" member of the band, not necessarily the female member, but if they qualify, they qualify.

Harly quinn, Shenzi, Nostalgia chick, Moonstone are "The Dragon"