Minor character appearing in Phantom Blood. He is Jonathan Joestar's dog and childhood best friend. George Joestar I bought Danny when he was a puppy when Jonathan was five years old. Danny was very afraid of unfamiliar places and strange people causing him to bite Jonathan when the young boy first approached him. For a while, Jonathan also antagonized Danny by throwing stones at him. One day, while swimming in a river, Jonathan started drowning and was saved by Danny, which made them the best of friends.

Spoiler

Danny's death at the hands of Dio Brando serves as one of the primary catalysts in the lifelong rivalry between Jonathan and Dio.