A tall woman stood behind them. She had dark hair pulled back into several thick, tidy braids. She was dressed in a long gray robe; the tip of her pointed tail peeked out from beneath the hem. White fur was visible across her exposed clavicle and neck. She looked at Ivy, her expression cautious.

“Ivy,” she said. “It’s been a while.”

Althea is a changeling doctor in Preppies of the Apocalypse. She has a long, messy history with Ivy Garrett. It's tough to determine where her loyalties lie: She serves Conrad and despises Ivy, but it seems like it might be possible to get through to her. An incomparably gifted surgeon, she removes Valentine Parrish's brain tumor.