The Zeppeli family is a recurring Italian family first seen in Phantom Blood when William Anthonio Zeppeli introduces himself and becomes Jonathan Joestar's mentor, teaching him in the ways of the Ripple. They continue to act as companions to the Joestar Family. Will's son, Mario Zeppeli, allies with Lisa Lisa to investigate the Pillar Men. Mario's son, Caesar Zeppeli, later becomes Lisa Lisa's apprentice and Joseph Joestar's friend.