His name is Leo. his height is 7ft and he can transform into the wolf and back to a human form whenever he needs to. His wolf tail can wag when he is excited and can stay calm behind him when he isn't, even though, he is quite calm and cold to people, his tail is usually showing all his emotions, even when he tries to keep it to himself. He doesn't understand humans that much, even though he has a human body, even in his human form, he still has his wolf ears and a tail. He might sniff people.