JJ Olatunji aka KSI Biography, Wiki, and Secret Details

JJ Olatunji
JJ Olatunji

JJ Olatunji, alias KSI, is a YouTuber and rapper from England (born 19 June 1993). As a co-founder and member of the British YouTube group Sidemen, he is well-known.


JJ Olatunji
JJ Olatunji

JJ Olatunji aka KSI Biography, Wiki, and Secret Details


British YouTuber, rapper, comedian, and actor JJ Olatunji goes by the online moniker KSI. After starting out as a YouTuber, he quickly became famous for his analysis and vlogs about FIFA games. His first single, “Lamborghini,” was published in 2015 and reached position #61 on the UK Singles Chart. Since then, he has dropped a string of more singles, such as “Keep Up” and “Jump Around.”


Olajide Olayinka Williams JJ Olatunji Jr.
Olajide Olayinka Williams JJ Olatunji Jr.

KSI has made guest appearances in a wide variety of movies and TV shows, including the 2016 comedy Laid in America and the 2017 drama The Sidemen Show. His works, I Am a Bellend and This Book Is a Joke, have also been published.



On June 19, 1993, in the town of Watford, Hertfordshire, England, KSI entered the world. His parents’ ancestry is from Nigeria. Olivia and Jemma, his older sisters, are his older relatives. Berkhamsted Collegiate School was a hostile environment for KSI. Later, he attended the University of Nottingham to earn a degree in business.


JJ Olatunji Thumbs Up
JJ Olatunji Thumbs Up

Starting in 2009, KSI has been uploading gaming commentary videos and vlogs on YouTube. Some of his FIFA commentary videos went viral because of how he reacted to and commented on humorous occasions in the game. As of today, his “KSIOlajidebtHD” YouTube channel has more than 4.5 million subscribers.


JJ Olatunji in Nigerian Football Team Jersey
JJ Olatunji in Nigerian Football Team Jersey

A video titled “Minecraft ‘EXPLODING’ with PewDiePie,” which KSI and PewDiePie made together in 2013 gained a lot of views. There have been over 19 million views on the video, making it a big hit. Because of this partnership, KSI was able to gain a larger audience and more subscribers.


Biography of KSI


Olajide Olayinka Williams “JJ” Olatunji Jr. Wiki & Biography  
Real Name Olajide Olayinka Williams “JJ” Olatunji Jr.
Nickname KSI
Profession YouTuber and rapper
Known As Sidemen
Age 30 years (2023)
Date of Birth 19 June 1993
Birthplace Watford, Hertfordshire, England
Nationality British
Ethnicity Black
Religion Will update
Gender Male
Height, Weight & Body Measurements  
Height in Centimeters 183 cm
Height in meters 1.83 m
Height in Inches 6 feet 0 inch
Weight in Kilograms 77 kg
Weight in Pounds 169 lbs
Body Measurements 41-30-38
Chest Size 41
Waist Size 30
Biceps Size 15
Eye Color Black
Hair Color Black
Bodytype Athletic
Family and Relatives  
Father Olajide Olatunji
Mother Olayinka Olatunji
Brother Will update
Sister Will update
Affairs, Girlfriends and Marital Status  
Marital Status Single
Girlfriend Will update
Wife/ Spouse Will update
Son Will update
Daughter Will update
Education and School, College  
Educational Qualification Will update
School Will update
College/ University Will update
Favorite Things and Like & Dislike  
Favorite Actor Will Smith
Favorite Actress Sandra Bullock
Favorite Color Purple
Favorite Food Chocolate
Favorite Movie Men In Black: International
Hobbies Traveling
Money Factor  
Net Worth  $ 30 million (Approx)
Social Media  
Instagram Instagram.com
Facebook Facebook.com
Twitter Twitter.com
Wikipedia Wikipedia.org
Youtube Channel Youtube.com
Website Will update



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Where is JJ Olatunji from or Born?

Watford, Hertfordshire, England.

Is JJ Olatunji Married or in a Relationship?


How much is KSI Net Worth?

$30 Million (approx).

How old is KSI?

30 years (2023).

How tall is KSI?

6 feet 0 inches.

What are the hobbies of KSI?


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Kokou Adzo is a seasoned professional with a strong background in growth strategies and editorial responsibilities. Kokou has been instrumental in driving companies' expansion and fortifying their market presence. His academic credentials underscore his expertise; having studied Communication at the Università degli Studi di Siena (Italy), he later honed his skills in growth hacking at the Growth Tribe Academy (Amsterdam).


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