and I said, 'Around £1,500 a month.'  A number one best-seller in the UK, the book sold 26,436 copies within the first three days of its release. He is the founding member of the YouTube collective, The Sidemen.
 The song received a Gold certification from the BPI for exceeding UK sales of 400,000 units. 5 December 2009  As an actor, KSI featured in the British comedy film Laid in America (2016), and was the subject of KSI: Can't Lose (2018), a documentary film following the build-up to his first amateur boxing fight. As of October 2020[update], their eponymous YouTube channel has over 9 million subscribers. ", "An Interview With YouTube Sensation Vikkstar123", "Insomnia Dubai: YouTube stars Sidemen coming to gaming convention", "YouTube stars The Sidemen at Insomnia Dubai Gaming Festival", "Then And Now: How 30 of the world's most famous YouTubers have changed since their first videos", "Vikkstar123 explains why he's leaving the Sidemen House", "YouTube Orders 'The Sidemen Show' Original Premium Series", "YouTube commissions Blue Ant's Sidemen Show", "YouTube sensations The Sidemen come to Newcastle", "YouTube stars the Sidemen are frontrunners in race for Christmas books No 1", "KSI Net Worth: 5 Fast Facts You Need to Know", "Charity football match Sidemen FC v YouTube Allstars at St Mary's in Southampton raised more than £100,000 for the Saints foundation", "The Valley to host charity football match featuring famous YouTubers", " A half-time presentation confirms that the @SDMNFC match at The Valley in May raised £210,000 for @NSPCC and @CAFCTrust!
, On 3 September 2019, a rematch between the two was announced. The second fight, versus American YouTuber Logan Paul, ended in a majority draw; the subsequent rematch was KSI's professional boxing debut, which he won via split decision. , In 2019, KSI uploaded a video titled "Ending it all", from which all ad-revenue would be donated to various suicide-prevention charities.  Speaking about the origins of the group's name, Sidemen, Minter explained, "A sideman is basically someone's bitch who just follows them around [...] I was basically JJ's bitch that followed him around.
 The second match was held at The Valley Stadium, London, and raised £210,000 for the NSPCC and the Charlton Athletic Community Trust. Side channel(s) The other members of the popular group are Miniminter , KSI , Wroetoshaw , Behzinga , TBJZL , and Vikkstar123 .
Zerkaa  Olatunji dropped out of sixth form college to pursue his YouTube career once he was earning steady monthly revenue from his uploads.  On the same day, it was confirmed that KSI had already started recording his debut studio album.
Up until 2014, Josh rarely showed his face on camera and was often seen hidden behind a mask.  In May 2019, Deji made the video public again, prompting KSI to state on Twitter that he is "done" with his brother.  In 2019, he was ranked as the second most influential online creator in the United Kingdom by The Times.. ", "YouTube Stars' Fight Results in a Draw at Manchester Arena", "KSI and Logan Paul weigh-in ahead of 'biggest internet event in history, "KSI v Logan Paul: why are YouTube's biggest stars going to fight in the boxing ring?  Heavy reported in the same year that KSI was the director of three UK companies with equity totalling $2.2 million (£1.7 million). 2.2m Followers, 596 Following, 597 Posts - See Instagram photos and videos from (@zerkaa) , On 18 June 2018, the group released a web television series titled The Sidemen Show, available exclusively through YouTube Premium.