Because Stereotypes Are Funny
"Niggerette" is a sketch written by and starring (Actor/Writer) Kamal Symonette-Dixon. In the parody, Kamal plays the spokesperson for Niggerette named Niggerette Man.
If you've never laughed at a racist joke, well, I guess you are better than 99.999% of the rest of us. Check out this spoof of Nicorette that helps control a different kind of craving.