Crystal Vu is one of the pre-made townies in La Fiesta Tech from The Sims 2: University. She can be made playable by befriending and asking her to move in, or by marrying her. Crystal has the same facial structure as Tina Roennigke from Strangetown.
Her skills and interests are randomized upon loading La Fiesta Tech. It is only referenced in the game files that she has no skills, interests, or major. Crystal's name is randomized when La Fiesta Tech is generated. The name "Crystal Vu" is only referenced in the game files.