Key facts
- KSI (Olajide Olatunji) has quit the Sidemen collective.
- He was a member of the YouTube group for 13 years.
- The Sidemen collective was formed in 2013.
- KSI stated he was losing balance in his own life.
The Sidemen are a prominent British YouTube group formed in 2013, known for their gaming videos and challenges. KSI, one of the founding members, has been a central figure in the group's success and online presence. His departure marks the end of a long association with the collective.