Viola Toyonaga is one of the pre-made NPC streakers 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. Viola has the same facial structure as Andrea Lind.
Her name is randomized when Sim State University is generated. The name "Viola Toyonaga" is only referenced in the game files.