Simone Luna Louise Söderlund Giertz (Swedish: [jæʈʂ]; born 1 November 1990),[1] is a Swedish inventor, maker, robotics enthusiast, TV host, and professional YouTuber.[2] She has also previously worked in mixed martial arts sports journalism, and was an editor for Sweden's official website Sweden.se.[3] She has over 1 million subscribers on her YouTube channel.