Claire Yang is one of the pre-made NPC cheerleaders in Sim State University from The Sims 2: University. She can be made playable by befriending and asking her to move in, or by marrying her. Claire has the same facial structure as Genesis Lam.
Even though she has red hair, her natural hair color is actually black. Claire's name is randomized when Sim State University is generated. The name "Claire Yang" is only referenced in the game files.