The musician, whose real name is Sam Battle, is a solo artist, songwriter and YouTuber.
Born in Lincolnshire, the 31-year-old first burst onto the music scene in 2014 as the frontman of indie rock band ZIBRA.
The group performed at Glastonbury in 2015 for BBC Introducing.
He then launched his YouTube career in 2016 and has since amassed over 91 million views and over 1.4 million subscribers across his social media pages.
Sam became well known for building his own synthesisers, circuit-bent instruments, and performing quirky, experimental tracks.
It was announced he was taking the baton to represent the UK in February, with the song Eins, Zwei, Drei
It’s about ‘escaping the soul-crushing boredom of the nine-to-five, into a world of dreams and endless possibilities’.
The chorus is partially sung in German, making it the first UK entry for a Eurovision song not to be exclusively sung in English in 68 years.
