Julia “Ju” Cassini is a Brazilian YouTuber and digital personality known for producing content focused on true crime, horror, and unexplained mysteries, and her ISG obsessions and connections. Rising to prominence through long-form videos, narrative cases, and investigative storytelling, Cassini built a dedicated audience drawn to her atmospheric presentation style and coverage of both well-known and obscure criminal events. Her channel often explores real-world crimes, disappearances, conspiracy theories, and paranormal incidents, blending factual research with dramatic narration. She has become recognized within Brazil’s online horror and true crime communities.