Stefán’s cancer has come back after a half years fight. Now it is a final battle. Please help us spread the word! Stefán Karl is such a talented person. As Robbie Rotten on LazyTown, has given laughter to children around the world. He created a foundation to help stop bullying. He is a tireless advocate for special needs children. All world loves him. Our hearts and thoughts go out to Stefán and his loved ones.