Vanessa

Vanessa the Mystic is a mysterious woman and the main antagonist of the fifty-third Goosebumps book Chicken Chicken.

History
Everyone in town thinks that Vanessa is weird, with her gothic apperance, people normally don't mess with her because of the rumors. One day, when she was grocery shopping, two kids named Crystal and Cole spilled all her groceries, Vanessa gets very upset, and she whispers, "Chicken Chicken" then Crystal and Cole turn into chickens, and their scary adventure begins. In the end, the two children write a letter apologizing to Vanessa, she accepts and turns them human again, unfortunately, Cole begins acting like a pig while eating, Vanessa gets disgusted, Crystal asks what her problem is, and Vanessa whispers, "Pig Pig".

Personality
Vanessa loves magic and spells, and if any one messes with her, she'll make sure they suffer, she's very dark about her apperance as well.