Regina Tsvirkunov is one of the pre-made NPC coaches 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. Like all coaches in University, Regina has 10 active points.
Regina's name is randomized when La Fiesta Tech is generated. The name "Regina Tsvirkunov" is only referenced in the game files. She has a Lifetime want that was removed prior to release.