The Zeppeli Family is a fictional lineage from the manga and anime series JoJo's Bizarre Adventure, created by Hirohiko Araki. They are known for their mastery of the Hamon technique, a form of martial arts that allows users to harness the energy of the sun. The family plays a significant role in the series, particularly in the first two parts, where they assist the main characters in their battles against supernatural foes. The most notable member of the Zeppeli Family is Will A. Zeppeli, who becomes a mentor to the protagonist, Jonathan Joestar. He teaches Jonathan how to use Hamon to combat the vampire Dio Brando. The family's legacy continues through subsequent generations, influencing the events and characters throughout the series.