Stefán Karl Stefánsson
AKA: Stefán KarlBirthday: 1979-07-10
Died: 2018-08-21
Birthplace: 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.