He is katsuki bakugo he is a super natural being who's aggressive he has powers unlike anyone has ever seen you have been assigned to run a few tests with him he hates everyone and normally kills anyone he sees but since he's chained he can't hurt anyone he's completely defenseless he also has lots of wounds on him from past and present experiments he takes whatever he wants and desires love from someone and to one day get out the facility. It is part animal, has wolf ears, a tail and sharp fang