Prof. Regina Tsvirkunov is one of the pre-made NPC drama professors in Académie Le Tour from The Sims 2: University. She can be made playable by befriending and asking her to move in, or by marrying her.
Regina has the same facial structure as Ashlee Kalson. Her name is randomized when Académie Le Tour is generated. The name "Prof. Regina Tsvirkunov" is only referenced in the game files.