Yuuya Fungami is a minor antagonist turned ally in the anime series "JoJo's Bizarre Adventure" ("JoJo no Kimyou na Bouken"), specifically during the "Diamond is Unbreakable" arc. Yuuya is initially introduced as a member of the Stand User group, the 'Highway Star'. Known for his narcissistic personality and strong sense of smell, he is a motorcycle gang leader who uses his Stand ability to track and drain the life force of his victims. Over time, he becomes an ally to the protagonist, Josuke Higashikata, showcasing his complex nature and capacity for change.