Half rusalka, half the breath, officially of the The Sun include any magical beings with a primary drive and ability to heal. More.
Her actual name is Clementine, but use it at your peril.
She adopted a bizarre, stereotyped fortune-teller guise in the 1950s as a trap. She likes to eat white supremacists, and this look tends to draw them in. She kept the guise because she likes it, plain and simple.
She currently lives in Manhattan, and is one of the best healers out there – which is why she counts herself among the People of the Sun. They don’t see her as one of them, but Rosa is never one to let others tell her what to think.