Tonio Trussardi is a secondary character in the series 'JoJo's Bizarre Adventure', specifically appearing in the 'Diamond is Unbreakable' arc. He is an Italian chef and the owner of the restaurant Trattoria Trussardi. Despite his intimidating appearance, Tonio is a gentle and passionate chef who takes great pride in his culinary skills. He is a Stand user, with his Stand 'Pearl Jam' allowing him to enhance the healing properties of his dishes. Tonio's role is primarily as an ally, using his cooking to aid the protagonists in their time of need.