Personal Info

Known For

Acting

Known Credits

Gender

Male

Birthday

1993-06-19 (31 years old)

Place of Birth

Watford, England, UK

Also Known As

Olajide Olatunji
JJ
Olajide Olayinka Williams Olatunji

KSI

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.

Known For

7.5%

Top Gear

Oct 20, 2002

5.3%

Laid in America

Sep 26, 2016

5.5%

Britain's Got Talent

Jun 9, 2007

6.0%

Untold: Jake Paul the Problem Child

Aug 1, 2023

8.1%

All or Nothing: Arsenal

Aug 4, 2022

7.7%

WWE WrestleMania 39: Saturday

Apr 1, 2023

5.1%

The Jonathan Ross Show

Sep 3, 2011

6.9%

Celebrity Gogglebox

Jun 14, 2019

6.6%

KSI: In Real Life

Jan 25, 2023

7.5%

The Great Celebrity Bake Off for Stand Up To Cancer

Mar 6, 2018

7.1%

The Sidemen Story

Feb 14, 2024

6.8%

Inside

Jun 2, 2024

- View by:
- Media type:
- Department:

Acting

—

KSI vs. Dillon Danis as Self

2025		$100k YouTuber Presents as KSI
2025		Paul American as Self
2025		SIDEMEN AMONG US: 2 HOUR SPECIAL
2025		Sidemen Among Us: 2 Hour Special as KSI

2024		Inside as Self - Host
2024		The Sidemen Story as Self

2023		KSI vs. Tommy Fury as Self
2023		Sidemen: From the Sidelines as Self
2023		Untold: Jake Paul the Problem Child as Self (archive footage)
2023		KSI vs. Joe Fournier as Self
2023		INSIDE: Narrative of Our Journey as Archive Footage
2023		WWE WrestleMania 39: Saturday as KSI (Ringside)
2023		Dare to Dream: The Luis Pineda Story as Self
2023		KSI: In Real Life as Self
2023		KSI vs. FaZe Temperrr as Self
2023		KSI & The Pauls: Primed for Success as Himself

2022		KSI vs. Swarmz as Self
2022		All or Nothing: Arsenal as Self
2022		Task the Sidemen as Himself
2022		Fine or F*cked as Himself

2021		Ask the Sidemen as Himself
2021		Sidecast
2021		The KSI Show as KSI

2020		Sidemen Among Us as KSI
2020		Britain's Got Talent: Unseen as Self - Guest Judge

2019		KSI vs. Logan Paul 2 as Self
2019		Celebrity Gogglebox as Self

2018		KSI vs. Logan Paul as Self
2018		KSI: Can't Lose as Self
2018		The Big Narstie Show as Self
2018		The Sidemen Show as Self
2018		Joe Weller: Fighter as Himself
2018		The Great Celebrity Bake Off for Stand Up To Cancer as Self - Guest
2018		KSI vs. Weller Live at the Copper Box Arena as Himself (as KSI)