Julian Brown, a 21-year-old inventor from Atlanta, gained fame for creating Plastoline, a machine that converts plastic into fuel. His innovation attracted millions and an appearance on The Weather Channel. However, after posting cryptic warnings about being under attack and fearing for his safety, he suddenly went silent online. Followers are now raising concerns and conspiracy theories, suspecting possible government or corporate involvement, or that he may be in danger. His disappearance has sparked widespread speculation.