Christy Raha is one of the pre-made downtownies in The Sims 2: Nightlife. She can be made playable by befriending and asking her to move in, or by marrying her. Christy's career is randomized at the start of the game, and she is mainly interested in Paranormal and Travel.
Her name is randomized when Downtown is generated. The name "Christy Raha" is only referenced in the game files. Like most downtownies in The Sims 2, she has a customized facial structure. Christy uses a customized version of the 1st Maxis face template in Create a Sim.