Roman Catholic Is Cartman really a Catholic He certainly doesn t behave like one Preceding unsigned comment added by What kind of a question Cartman and Liane frequently are seen in the Church scenes Cartman is just not religious The same dicussion was brought up about Stan Marsh some ways back As one user stated Unless he is an idiot who just randomly attends religious ceremonies he is Roman Catholic The same must be said for Cartman Try going onto SouthParkstudios com and asking in the FAQ section about it And please sign your comments and post them at the bottom of the page in future Thank you