Stefán Karl Stefánsson
AKA: Stefán KarlStefán Stefánsson
Born Jul 10,1979
Hafnarfjörður, Iceland
Died Aug 21,2018
Actors
From Wikipedia, the free encyclopedia 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.