1.  KSI's real name is Olajide William Olatunji

2. KSI stands for ‘Knowledge, Strength, Integrity.

3. KSI is allergic to peanuts

4. KSI left the YouTube group Sidemen – and then rejoined them!

5.  KSI has a famous brother - deji

6.  KSI’s latest single featured Craig David

7. KSI does a lot for charity

8. KSI was the first person of colour to receive YouTube’s Diamond Play Button