| Birth Day | July 10, 1975 |
| Birth Place | Hafnarfjorour, Iceland |
| Stefan Karl Stefansson age | 48 YEARS OLD |
| Birth Sign | Cancer |
Icelandic actor of stage and screen who is best known for his role as Robbie Rotten on the television series LazyTown.
He trained at the Iceland Academy of the Arts and went on to perform in productions of Cyrano de Bergerac, Singin' in the Rain, and A Midsummer Night's Dream at the National Theatre of Iceland.
He founded Rainbow Children, a nonprofit foundation dedicated to ending bullying in schools.
He settled in Los Angeles with his Actress wife, Steinunn Ólína Þorsteinsdóttir, and the couple's son and three daughters.
He provided voiceover work for the 2006 film Night at the Museum, which starred Ben Stiller.
