JJ Olatunji
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.
Known For
Baywatch
61%
Songs
2017
Top Gear
76%
Self
2002
Laid in America
52%
Duncan
2016
Britain's Got Talent
53%
Judge
2007
All or Nothing: Arsenal
80%
Self
2022
The Jonathan Ross Show
52%
Self
2011
Celebrity Gogglebox
66%
Self
2019
KSI: In Real Life
63%
Self
2023
Inside: USA
49%
Self - Host
2025
Inside: USA
49%
Executive Producer
2025
Paul American
52%
Self
2025
Inside
56%
Self - Host
2024
Inside
56%
Executive Producer
2024
The Sidemen Story
68%
Self
2024
The Naughty List
Candy Cane Capone
2023
KSI vs. Tommy Fury
55%
Self
2023
Sidemen: From the Sidelines
Self
2023
Sidemen: From the Sidelines
Creator
2023
Untold: Jake Paul the Problem Child
57%
Self (archive footage)
2023
KSI vs. Joe Fournier
Self
2023
INSIDE: Narrative of Our Journey
95%
Archive Footage
2023
WrestleMania 39: Saturday
80%
KSI (Ringside)
2023
Dare to Dream: The Luis Pineda Story
Self
2023
KSI: In Real Life
63%
Self
2023
KSI vs. FaZe Temperrr
55%
Self
2023
KSI & The Pauls: Primed for Success
Himself
2023
KSI vs. Swarmz
53%
Self
2022
All or Nothing: Arsenal
80%
Self
2022
Task the Sidemen
Himself
2022
Fine or F*cked
100%
Himself
2022
Ask the Sidemen
57%
Himself
2021
Sidecast
80%
Unknown
2021
Sidemen - BTS
Creator
2021
Sidecast
80%
Creator
2021
The KSI Show
35%
Self
2021
The KSI Show
35%
Songs
2021