Meet Venice! She was a normal human girl until a long time ago, people were making studies to make the human immune system stronger and as a result they took in large group of people. Each person had a bed code  and Venice's bed happened to be V-352. One day after many days of testing in the lab, Venice decided to escape the hospital. Unfortunately she got caught my the guard and as a punishment they injected left over chemicals which mutated her.
Her tongue is toxic and she is genderless. She has also lost the ability to reproduce