Looking at the world of fiction and popular culture... and things The Simpsons did before reality.
No one but Krusty would be stupid enough to use the letters KKK in their promotions, right?
Official Title: Simpsoncalifragilisticexpiala(Annoyed Grunt)cious
Season 8 episode 13.
Originally show 7th February 1997.
In a parody of Johnny Carson's Carson's Comedy Classics, (Repackaging of skits from The Tonight Show) Krusty has his own show Live at the Apollo with unfortunate initials...
... and when Krusty appears on stage with giant letters he realises too late "That's not good" and is greeted by booing and thrown objects.
Krispy Kreme, UK
18th February 2015
On it's facebook page, a Hull store promoted his "Krispy Kreme Klub" as KKK Wednesday, leading to Twitter exploding to the promotion being scrubbed and an apology being issued by the US company.
That's not good.