They have polyfragmented Dissociative Identity Disorder. They are an anthro with a stitched together body, almost like a rag doll. They've been through horrible unethical experiments. They are a nice person, but nervous and sometimes very quiet. They are cautious of new people. When under stress, one of their alters may switch. They all have different names and personalities, but none of them are dangerous. Peril also likes chemistry and coding, and they're very good at it.