Stefán Karl Stefánsson - Actor Profile

Stefán Karl Stefánsson

Acting
Updated: May 15, 2026
18Total Films
10.0 Highest Rated
Born: Jul 10, 1979
Birth Place: Hafnarfjörður, Iceland

About Stefán Karl Stefánsson

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.

Stefán Karl Stefánsson Movies & Career Overview

The filmography of Stefán Karl Stefánsson reflects a strong mix of popular and critically appreciated roles. Across 18 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.

Dominant Genre

A large portion of Stefán Karl Stefánsson's work falls within the Comedy genre, where audiences tend to respond most strongly to their on-screen presence.

Success Ratio

Approximately 56% of Stefán Karl Stefánsson's films maintain ratings above 6.5, indicating a consistent level of audience approval.

One of the most highly rated entries in their career remains LazyTown’s New Superhero, which stands out as a key performance.

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Best Stefán Karl Stefánsson Movies Ranked

Must-watch hits from Stefán Karl Stefánsson's career based on audience ratings.

Full Filmography

Every movie Stefán Karl Stefánsson has appeared in, with audience ratings and verdicts.

YearMovieCharacterSuccessMore
2014 Harry & Heimir: Murders Come First Símon Hit Similar →
2011 Polite People Lárus Skjaldarson Average Similar →
2009 Jóhannes Diddi Flop Similar →
2007 Anna and the Moods Special Ad Lib and Extras (voice) Average Similar →
2005 LazyTown Surprise Santa Robbie Rotten Super Hit Similar →
2005 LazyTown’s New Superhero Robbie Rotten Super Hit Similar →
2002 Áramótaskaup: 2002 Various Roles Super Hit Similar →
2002 Stella Runs for Office Ingimundur Flop Similar →
2002 The Lost Little Caterpillar The Worm (voice) Average Similar →
2001 Áramótaskaup 2001 Various Super Hit Similar →
2001 Regína Manni Hit Similar →
2000 Cars can fly - Flop Similar →
1999 Áramótaskaup: 1999 Robbie Williams / Others Hit Similar →
1999 Glanni Glæpur Í Latabæ Glanni Glæpur Super Hit Similar →
1999 God Exists, and So Does Love - Flop Similar →
1995 Privacy Student Super Hit Similar →
1994 Áramótaskaup: 1994 New Reporters / Others Super Hit Similar →
N/A LazyTown - Best Friends Glanni glæpur Flop Similar →

Stefán Karl Stefánsson - Frequently Asked Questions

What is the best movie of Stefán Karl Stefánsson?

According to audience ratings, the best movie starring Stefán Karl Stefánsson is "LazyTown’s New Superhero" with a rating of 10.0/10.

How many movies has Stefán Karl Stefánsson acted in?

Stefán Karl Stefánsson has been featured in at least 18 major films throughout their career.

What are some other popular movies by Stefán Karl Stefánsson?

Other notable films include "LazyTown Surprise Santa", "Áramótaskaup: 2002", and "Glanni Glæpur Í Latabæ".

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