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.
2018Ploey: You Never Fly AloneMovieas Cat (FX) / Fox (FX) (voice)2014Harry & Heimir: Murders Come FirstMovieas Símon
2011ThorMovieADR & Dubbing2011Polite PeopleMovieas Lárus Skjaldarson2009JóhannesMovieas Diddi2008True Jackson, VPTV showas Karl Gustav · 2 episodes2008LazyTown ExtraTV showas Robbie Rotten · 13 episodes2007Anna and the MoodsMovieas Special Ad Lib and Extras (voice)
2006Night at the MuseumMovieADR & Dubbing2005LazyTown Surprise SantaMovieas Robbie Rotten2005LazyTown’s New SuperheroMovieas Robbie Rotten2004LazyTownTV showas Robbie Rotten · 78 episodes2002Stella Runs for OfficeMovieas Ingimundur2002The Lost Little CaterpillarMovieas The Worm (voice)2001RegínaMovieas Manni
2000Cars can flyMovie1999Robbie Rotten in LazyTownMovieas Glanni Glæpur