Watkin Tudor Jones (born 26 September 1974), currently known by his stage name Ninja, is a South African rapper, record producer, performance artist and satirist. Previously, he has recorded under a guise of different names, Max Normal and MC Totally Rad being some of the most prominent.

Watkin Tudor Jones was a part of South African hip-hop scene for many years, fronting such acts as The Original Evergreens, MaxNormal.TV and The Constructus Corporation. He is known for adopting different stage personas.