He’s certainly playing to the old Stepin Fetchit stereotypes of Afro-Americans.
See image at http://files.blog-city.com/files/A05/141484/p/f/the_steppinfetchit.jpg
In fact his bow looks too much like the old lawn jockey! Ugggh! See image at http://www.ericscheske.com/blog/wp-content/uploads/2009/08/Lawn_jockey.jpg
Compare to the Obama bows:
http://d.yimg.com/a/p/afp/20091116/capt.photo_1258388640408-1-0.jpg?x=400&y=306&q=85&sig=obOLeSpTrFUKv2ZbiG7NRA—
http://motorcitytimes.com/mct/wp-content/uploads/2009/06/obama-bow.jpg
This is not good.