Chapter 68 - Need Help give me some idea

Alright, so the next member of the team will be a Ghost-type—give me some ideas. I currently have one in mind, but maybe someone will be able to change my mind. And if want give me some other team member idea i do already have some but maybe you all can give me better one. ( put it in the chapter comment and maybe the highest. liked one will get is wish) :)