AI-generated and manipulated images purported to show a life-sized version of the Cat in the Hat character lurking outside homes and roaming dark streets have caused real disruptions across the United States. ^[1] Copycat accounts began naming specific students, schools, and communities alongside phrases such as "you're next" and "coming for you," prompting police investigations and at least one juvenile arrest. ^[2] A viral social media trend featuring AI-generated images of the Cat in the Hat from the 2003 live-action movie has moved from an online prank to a school safety concern in parts of the US. ^[3] Assumption High School in Louisville, Kentucky, moved classes online and canceled after-school activities after posts named specific students and locations. ^[4] School districts in Texas, Michigan, and Oklahoma increased police patrols, implemented lockdowns, or ordered sweeps following threatening posts targeting students. ^[5] Assumption High School in Louisville, Kentucky, was closed on August 31 after a social media post involving the character prompted safety concerns. ^[6] The Louisville Metro Police Department said it was aware of posts involving the Cat in the Hat trend and was working with school officials to assess the situation, noting there was no information at the time indicating a credible threat. ^[7] The trend involves AI-generated images and videos showing the character in familiar neighborhoods or near schools, with newer versions including the names of students, schools, and locations. ^[8]