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.
LazyTown’s New Superhero
(Robbie Rotten)
Jóhannes
(Diddi)
LazyTown Surprise Santa
(Robbie Rotten)
LazyTown - Best Friends
(Glanni glæpur)
The Lost Little Caterpillar
(The Worm (voice))
Polite People
(Lárus Skjaldarson)
Anna and the Moods
(Special Ad Lib and Extras (voice))
Stella Runs for Office
(Ingimundur)
Regína
(Manni)
Áramótaskaup: 1999
(Robbie Williams / Others)
Privacy
(Student)
Harry & Heimir: Murders Come First
(Símon)
Áramótaskaup: 1994
(New Reporters / Others)
Áramótaskaup: 2002
(Various Roles)
God Exits, and So Does Love
Cars can fly
Glanni Glæpur Í Latabæ
(Glanni Glæpur)
LazyTown
(Robbie Rotten)
True Jackson, VP
(Karl Gustav)
LazyTown Extra
(Robbie Rotten)