Actor · Born 1979
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.
Ploey: You Never Fly Alone
2018 · as Cat (FX) / Fox (FX) (voice)
Harry & Heimir: Murders Come First
2014 · as Símon
Polite People
2011 · as Lárus Skjaldarson
Jóhannes
2009 · as Diddi
Anna and the Moods
2007 · as Special Ad Lib and Extras (voice)
LazyTown Surprise Santa
2005 · as Robbie Rotten
LazyTown’s New Superhero
Stella Runs for Office
2002 · as Ingimundur
The Lost Little Caterpillar
2002 · as The Worm (voice)
Regína
2001 · as Manni
Cars can fly
2000
Robbie Rotten in LazyTown
1999 · as Glanni Glæpur