Stefan Karl Stefansson is the actor behind Robbie Rotten in LazyTown whose performance led to the “We Are Number One” meme. He is in the fourth stage of .LazyTown star Stefan Karl Stefansson is in the final stages of cancer, his wife has said. The actor played villain Robbie Rotten in the CBeebies show..Stefan Karl Stefansson says he is now free from cancer, with the LazyTown actor saying he has recovered quickly and is now working on regaining his healthy and strength..Stefan Stefansson needs your help today! Stefan Karl’s Year of Healing As Robbie Rotten on LazyTown, has given laughter to children around the world. He created a .
Stef n Karl Stef nsson, Actor LazyTown. Stefan Karl Stefansson is an Icelandic film and stage actor comedian, best known for the villain Robbie Rotten of .Stef n Karl Stef nsson s t f n k r l s t f n s n Icelandic [stvaun kartl stvaunsn] born is an .