Joseph Joestar is the main protagonist of the second part of JoJo's Bizarre Adventure series, Battle Tendency, and the second JoJo of the series. He also appears as a primary ally in Stardust Crusaders (Part 3) and a secondary ally in Diamond is Unbreakable (Part 4). Joseph is a natural-born Ripple user and eventual Stand user, wielding the psychic photographic Stand, Hermit Purple. An exuberant troublemaker with an exceptional talent for trickery, Joseph meets the fantastic threats approaching him throughout his life with initiative and impressive ingenuity, battling Vampires, the Pillar Men, and malevolent Stand users. Part 3: Stardust Crusaders Part 4: Diamond is Unbreakable Part 3: Stardust Crusaders Part 4: Diamond is Unbreakable Stand - Hermit Purple Joseph's Stand, Hermit Purple, manifests itself as a tangle of thorny vines, which Joseph can wield as both a weapon and a hazardous defense. Furthermore, it has been shown to conduct the Ripple, which makes Hermit Purple one of the more effective Stands against those weak to it such as Vampires. One of its special abilities is to use cameras, televisions, and other things to perform a form of fortune-telling referred to as "spirit photography." (Source: JoJo's Bizarre Encyclopedia, edited)

Hitagi, a main female character of Bakemonogatari, is a weak-looking girl with an "incurable disease." She is in the same class as Koyomi, but he has almost never heard her speak. When she was in the first year of high school, she encountered a mysterious crab, after which she became nearly weightless. Ever since then, she has avoided contact with everyone else, threatening everyone who discovers her secret. She jokingly labels herself as a tsundere and speaks with a sharp tongue.