YouTube star and occasional Twitch streamer, known for his Norwegian-language gameplay videos. He also goes by KarliNorge or KjerneKarl. He is one half of the Norwegian YouTube groups Kozekveld and Level Up.
He was part of the YouTube comedy collective ForkasteligTV. He then founded Muffens Media in 2010 with his friends Ole Kristian Rustad and Bjørn Magnus Midthaug. They made short films and more, all having a passion for creating media.
He first became popular by creating gameplays for Minecraft and Portal. He plays various popular games, including Until Dawn, Final Fantasy, and more.
He has a younger sister named Mathilde.
He is a Norwegian YouTuber like Alexandru Grindvoll.