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Creator / KSI

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Olajide Olayinka Williams "JJ" Olatunji (born 19 June 1993), better known by his online identity KSInote  is an English YouTube personality, comedian, actor, and rapper.

KSI pretty much became the face of the FIFA fandom in the UK, as Association Football is Serious Business for many people there. KSI started gaining popularity after uploading a 'mini-series' discussing what was wrong with FIFA 11 and what could be improved in the succeeding edition. Nowadays, he stands as the owner of the biggest YouTube channel in the United Kingdom, with over 21 million subscribers on his primary channel and over 2 billion views on his videos, with his main claims to fame being his excessive hamminess and loudness.

More content can be found on his second channel, which was formerly a Call of Duty-only channel but has now grown to a broader palette of video games, often played with the other members of the Sidemen, a group of British YouTube entertainers that JJ is involved in.


However, he doesn't just do videos. He also works in the rap industry, initially having guest verses on several songs by British rapper Sway and making a series of songs with his friend Randolph before starting a solo career. He released a five-track EP called Keep Up on 6 January 2016. Additionally, he has released an autobiography called I Am a Bellend (or I Am a Tool in the United States) that is available in both physical and audiobook versions, and co-starred in a direct-to-video film called Laid in America alongside fellow YouTube star Caspar Lee.

In 2017, he stopped making videos for around 4-5 months, blacking out all of his social media and posting several messages detailing an Artist Disillusionment he was having with his fame and his status as a "celebrity". He then released the EP Space as a comeback explaining the reasons for his absence on 30 June 2017, releasing the single "Creature" four days prior. On 4 August of that year, KSI announced his departure from the Sidemen group, although later that month he returned to the Sidemen House and eventually the group overall by the following month.


For a time, KSI got into boxing after getting into a beef with fellow British YouTuber Joe Weller over the "Sidemen War". On 3 February 2018, he fought and won against Weller in a white collar boxing match that was watched by many people on YouTube, becoming one of the most watched white collar matches in boxing history. After winning the match, he called out infamous American YouTubers Jake and Logan Paul, challenging them to a boxing match.

Later that month, Logan agreed to fight KSI while Jake agreed to fight JJ's younger brother Deji (also known as ComedyShortsGamer) in an undercard match. The highly-anticipated white collar boxing matches between the Paul brothers and the Olatunji brothers (primarily the main KSI versus Logan Paul match) happened at Manchester Arena in Manchester, England on 25 August 2018. The result was a majority draw.note  A rematch, which was already planned alongside the August 2018 match, was planned to be held at an then-undetermined venue in the United States in February 2019, but it was later announced in September that year to be held on 9 November 2019 (Pacific Time). The rematch, held at Staples Center in Los Angeles on that date, was held as a professional boxing match; neither party wore headgear. This time around, both KSI and Paul showed better fighting abilities and professionalism than their first match, and their fight ended in a split decision in favour of KSI. He has not boxed since.

His Facebook can be found here. You can find him on Twitter here. Instagram? Here. His clothing line? Way ahead of you.


  • Keep Up (EP; 2016)
  • Jump Around (EP; 2016)
  • Space (EP; 2017)
  • New Age (collaboration with Randolph; 2019)
  • Dissimulation (2020)
  • All Over the Place (2021)

KSI and his channel incorporates the following tropes:

Alternative Title(s): KSI Olajidebt, JJ Olatunji


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