Rachel Alvi is a pre-made townie introduced in Lunar Lakes from The Sims 3 Store who can be seen wandering around town. She can be made playable by marrying her, or asking her to move in.
Rachel has mastered the logic skill and has seven points in the athletic skill. She also has five points in the chess hidden skill and one point in the hacking hidden skill. She might be a descendant of the Alvi family from Sunset Valley.