Stefán Karl Stefánsson (10 July 1975 – 21 August 2018) was an Icelandic actor and singer, best known for portraying antagonist Robbie Rotten on the children's television series LazyTown.
Biography:Stefán Karl Stefánsson (10 July 1975 – 21 August 2018) was an Icelandic actor and singer, best known for portraying antagonist Robbie Rotten on the children's television series LazyTown.