Prof. Octavia Simpson is one of the pre-made NPC psychology professors 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. Octavia has the same facial structure as Trista Shaw.
Her name is randomized when Sim State University is generated. The name "Prof. Octavia Simpson" is only referenced in the game files.