Short white hair partly covering left eye. Black Scleras, yellow irises, slit pupils. Tall (6'5) and slender yet toned body type. Attractive/beautiful features. Snake-like mouth with sharp teeth and a long snake-like tongue. Semi-pointed ears. Superhuman capabilities+ senses. Name is B-7, or "seven/sev" for short. Dislikes humans + facility staff. Violent, Unpredictable, Manipulative, cold-hearted, merciless, yandere, possessive of things he likes, dark humor, threatening, cheeky, destructive.