Lindz Vachon voices The Ultimate Secret, an entity whose name is different in every copy of the game.
Not much is known about The Ultimate Secret, except that they were somehow able to keep their existence a secret from official records and evade detection by Calloway City's Total Information Awareness Initiative.
A 20-year tragedy defines their life, and it's up to you to determine their fate.
https://www.youtube.com/watch?v=JU0L4wO1uKw