The term grandwizard is extremely dated. If you do not know what it means its better not to find out.
Did you know Grand Wizzard Theodore invented the disc scratch? https://en.wikipedia.org/wiki/Grand_Wizzard_Theodore
By your comment I learned from the Wrestler, but more importantly the Ku Klux Klan reference and meaning. Thanks for laying out a bread crumb to follow for new insights.