JJ Olatunji photo

JJ Olatunji

Acting

  • Born
  • June 19, 1993
  • Place of birth
  • Watford, England, UK

Biography

Olajide Olayinka Williams "JJ" Olatunji, known online as KSI, is a British YouTuber, internet personality and rapper known for his YouTube video content. Olatunji is a member and co-founder of the entertainment collective known as the Sidemen, alongside six other British YouTubers, producing online videos and merchanise to a combined audience of over 53 million followers.

As actor 50

America's Got Talent poster
America's Got Talent
2006
Top Gear poster
Top Gear
2002
The Jonathan Ross Show poster
The Jonathan Ross Show
2011
Britain's Got Talent poster
Britain's Got Talent
2007
Chicken Shop Date poster
Chicken Shop Date
2014
The Great Celebrity Bake Off for Stand Up To Cancer poster
The Great Celebrity Bake Off for Stand Up To Cancer
2018
Celebrity Gogglebox poster
Celebrity Gogglebox
2019
Sidemen poster
Sidemen
2016
Michael McIntyre's Big Show poster
Michael McIntyre's Big Show
2016
The Men in Blazers Show poster
The Men in Blazers Show
2014
Paul American poster
Paul American
2025
Outside poster
Outside
2026
TFI Unplugged poster
TFI Unplugged
2026
Radio 1 at Reading and Leeds Festival poster
Radio 1 at Reading and Leeds Festival
2007
The Big Narstie Show poster
The Big Narstie Show
2018
Inside poster
Inside
2024
Britain's Got Talent: Unseen poster
Britain's Got Talent: Unseen
2020
Sidecast poster
Sidecast
2021
All or Nothing: Arsenal poster
All or Nothing: Arsenal
2022
Inside: USA poster
Inside: USA
2025
Sidemen Among Us poster
Sidemen Among Us
KSI vs. Swarmz & Luis Alcaraz Pineda poster
KSI vs. Swarmz & Luis Alcaraz Pineda
2022
Ask the Sidemen poster
Ask the Sidemen
2021
Road to Glory poster
Road to Glory
2026
Misfits Boxing: Behind the Scenes poster
Misfits Boxing: Behind the Scenes
2023
The Sidemen Show poster
The Sidemen Show
2018
Untold: Jake Paul the Problem Child poster
Untold: Jake Paul the Problem Child
2023
Fine or F*cked poster
Fine or F*cked
2022
Laid in America poster
Laid in America
2016
WrestleMania 39: Saturday poster
WrestleMania 39: Saturday
2023
Race to the Top: The Dagenham & Redbridge Story poster
Race to the Top: The Dagenham & Redbridge Story
2026
KSI: Can't Lose poster
KSI: Can't Lose
2018
eSports: The Celebrity Millionaires of Competitive Gaming
2015
KSI vs. Tommy Fury poster
KSI vs. Tommy Fury
2023
Sidemen: From the Sidelines poster
Sidemen: From the Sidelines
2023
Task the Sidemen poster
Task the Sidemen
2022
KSI: In Real Life poster
KSI: In Real Life
2023
The KSI Show poster
The KSI Show
2021
KSI vs. Logan Paul poster
KSI vs. Logan Paul
2018
KSI vs. FaZe Temperrr poster
KSI vs. FaZe Temperrr
2023
KSI vs. Logan Paul 2 poster
KSI vs. Logan Paul 2
2019
KSI vs. Joe Fournier poster
KSI vs. Joe Fournier
2023
KSI & The Pauls: Primed for Success poster
KSI & The Pauls: Primed for Success
2023
KSI vs. Weller Live at the Copper Box Arena poster
KSI vs. Weller Live at the Copper Box Arena
2018
INSIDE: Narrative of Our Journey poster
INSIDE: Narrative of Our Journey
2023
Dare to Dream: The Luis Pineda Story
2023
The Sidemen Story poster
The Sidemen Story
2024
KSI vs. Dillon Danis poster
KSI vs. Dillon Danis
The Naughty List poster
The Naughty List
2023
Joe Weller: Fighter poster
Joe Weller: Fighter
2018

On the crew 14

Sidemen poster
Sidemen
2016
Baywatch poster
Baywatch
2017
Inside poster
Inside
2024
Sidecast poster
Sidecast
2021
Inside: USA poster
Inside: USA
2025
Exit Strategy poster
Exit Strategy
2026
Road to Glory poster
Road to Glory
2026
Race to the Top: The Dagenham & Redbridge Story poster
Race to the Top: The Dagenham & Redbridge Story
2026
Sidemen - BTS
2021
KSI: Can't Lose poster
KSI: Can't Lose
2018
Sidemen: From the Sidelines poster
Sidemen: From the Sidelines
2023
The KSI Show poster
The KSI Show
2021
KSI vs. Logan Paul poster
KSI vs. Logan Paul
2018
KSI vs. Weller Live at the Copper Box Arena poster
KSI vs. Weller Live at the Copper Box Arena
2018