Is hard work the key to success? He may have started as a YouTuber, but now KSI rules over a kingdom of enterprises and media ventures, as well as an audience of tens of millions. He claims that his empire is built on nothing but hard work and perseverance.
The YouTuber who failed his A levels
Polymath: Social media star KSI will, according to The Sun newspaper, be a guest judge in the forthcoming Britain's Got Talent auditions. Bosses are hoping he will bring some of his estimated 40 million fans to the show. Glossary
Renaissance - The "rebirth" of Western learning began in the late 15th century, as European scholars rediscovered ancient manuscripts and began to make developments in science and art.
Cryptographer - Someone who writes and cracks codes.
Entrepreneurship - Setting up a company.