Doctor Wu is an orthopedic surgeon and cosmetic dermatologist working at TG University Hospital, who has been treating Mitsuba Higashikata for a series of ailments. He is also a high-ranking member of the Locacaca Organization's research team, with his work focused on potential medical applications of the Locacaca. Wu Tomoki is a Stand user who uses his similarly named Stand, Doctor Wu, to break his body down into fine particles and enter the bodies of others for both medical uses and in combat