Stefán Karl Stefánsson
Born: Jul 10, 1979
Died: Aug 21, 2018
Place of Birth: Hafnarfjörður, Iceland
Stefán Karl Stefánsson (July 10, 1975 – August 21, 2018) was an Icelandic actor and singer, best known for portraying antagonist Robbie Rotten on the children's television series LazyTown.