Mehrissa Shankel 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. Mehrissa has the same facial structure as Meadow Thayer.
Mehrissa's name is randomized when La Fiesta Tech is generated. The name "Mehrissa Shankel" is only referenced in the game files. She is also one of the 15 pre-made members of the LFT secret society.