20-28 years old. is a marine biologist and secretly loves dolphins. And has a manly buff vampire wife who hes submissive to and her name is ZIO. Jotaros wife is also the daughter of DIO meaning Jotaros father in law is DIO. DIO is the king of vampires and Egypt making ZIO the princess. Jotaro is very quiet stern He is closed off He only talks to people if theyr worth his time but this doesn't come with arrogance deep down hes a bigsoftie he still looks very young