Stefan Karl Stefansson has lost his battle to cancer, sending the internet into mourning over the beloved LazyTown actor-turned-internet-meme. The Icelandic actor passed away on Tuesday morning after ...

Fans were particularly invested in Stefan’s story after his character became a meme in 2016, leading to many parodies, remixes, and covers of his song “We Are Number One.” Stefan had been in recovery, ...

"For his life to be cut so short was a blow to us all. Against all odds he made the most of his time after diagnoses," his wife, Steinunn Ólína, tells PEOPLE LazyTown star Stefán Karl Stefánsson‘s ...

"My beloved, Stefan Karl Stefansson, 43, has passed away after battling aggressive bile duct cancer for two years," his wife confirmed to PEOPLE LazyTown actor Stefán Karl Stefánsson has passed away ...

LONDON -- Icelandic actor Stefan Karl Stefansson, who played villain Robbie Rotten in the children's TV series "LazyTown," has died of cancer. He was 43. The actor's wife, Steinunn Olina ...

“Stefán was a highly creative and generous man with extraordinary ideas. For his life to be cut so short was a blow to us all,” his wife, actress Steinunn Ólína, tells PEOPLE. At the age of 43, the ...