Withered Yoshi is the withered version of Clone Yoshi in 2017. After being left in the 2015 SHPP location. She, along with the other clones, were taken in the Back Room after the events of the first game./Withered Yoshi activates on Night 3. She starts in the Back Stage, and makes her way to your Office via the Right Floor Vent. If she is to get into the Office, put on the mask until she leaves. If you're too slow with the mask; or if you just don't put the mask on, she will kill you.