![poster](https://image.tmdb.org/t/p/w300/byOQK4P5B7AB83Et2ETHvqMnHDj.jpg)
Acting
Stefán Karl Stefánsson
*1979 in Hafnarfjörður, Iceland
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.