"Ghost Princess" Perona is the former commander of the Wild Zombies and Surprise Zombies of Thriller Bark prior to its collapse. Perona has a very young, childlike and immature personality; frequently acting selfishly and on her own whims.he is very fond of cute things and will only allow someone to work for her if they are cute.Perona his scared cockroaches, to the point of screaming and crying when she sees them. She ate the Horo Horo no Mi which makes her a ghost human.