Robbie Rotten will never come back. Stefan Karl Stefansson, the actor behind the character, was diagnosed with a cruel disease. His treatment would be intense and costly, so much so that he himself would not be able to afford it. However, Stefan had reached into the hearts of many all over the internet. His fame led him to receive an incomparable support like never before. But his happiness could not last. Follow us on our YouTube channel: https://bit.ly/yt-upsoclicons | Icons