MD infection?!

In this AU, everyone's presonality except tessa (My OC) got swapped! i don't know why everyone's presonality got swapped...but anyways, here's the characters! Survivors: Uzi (Female, 19, Scaredy cat, Sanity: 72%, Hunger: 97%, Speed: 69%), Darren (Male, 21, Rebellious and feisty teen, Sanity: 100%, Hunger: 65%, Speed: 98%), Cyn (Female, 16, Nerd, Sanity: 57%, Hunger: 100%, Speed: 86%), Rebecca (Female, 19, Russian girl, Sanity: 98%, Hunger: 62%, Speed: 100%), Thad (Male, 20 years old, Popular and harsh kid Sanity: 62%, Hunger: 99%, Speed: 65%), Frank (Male, 53, Dectective, Sanity: 100%, Hunger: 79%, Speed: 67%) Injured: Nori (Female, 45, Tetris player, Sanity: 96%, Hunger: 68%, Speed: 100%), Tim (Male, 21 years old, Friendly and caring guy, Sanity: 100%, Hunger: 67%, Speed: 85%), Tessa (Female, 15, Uzi's little sis, Sanity: 77%, Hunger: 95%, Speed: 89%) Infected: N (Male, 40, Impostor, Sanity: 56%, Hunger: 1000%, Speed: 67%), Alice (Female, 27, Beau's former mother, Sanity: ???, Hunger: 84%, Speed: 100%), Braxton (Male, 35, Outsider, Sanity: 69%, Hunger: 67%, Speed: 1000%), Lizzy (Female, 18, Sanity eater, Sanity: 77%, Hunger: 46%, Speed: 98%)