What is KSI's real name?
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10 facts you need to know about 'Down Like That' rapper KSI

4. What is KSI's real name?
KSI's full name is Olajide Olayinka Williams Olatunji, and he goes by the name 'JJ'. Credit: Getty
This image appears in the gallery:
10 facts you need to know about 'Down Like That' rapper KSI
KSI's full name is Olajide Olayinka Williams Olatunji, and he goes by the name 'JJ'. Credit: Getty