He is of Nigerian descent and his wife is Yinka, whom he has been with for around 26 years.
Jide was born on 28 August 1960 or March 1959 in Ibadan, Nigeria. It has been confirmed that Jide's real name is Olajide Olatunji making KSI's legal name 'Olajide Olatunji, Jr.'.
Jide features heavily in many of Deji's YouTube videos, and is often used as the cameraman. Because of this, many commentators have suggested Jide create his own YouTube channel since he carries most of the weight of the ComedyShortsGamer channel.