Before the popular Kamaru '' The Nigerian Nightmare '' Usman, in his school wrestling days, Kamaru was called Marty Usman by his coach due to the delusional coach not being able to pronounce his name.
It became popular by the day even when he won the UFC Welterweight championship the wrestling community who joined MMA like Colby Covington, Tyron Woodley and Ben Askren etc start to call him by his old nickname to provoke him.
